6th Class Science Fun with Magnets Question Bank

done Magnetism Total Questions - 102

• question_answer1)
  The lodestone is a
  A)
  temporary magnet        done clear
  B)
  artificial magnet done clear
  C)
  natural magnet             done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer2)
  The magnets which retain their magnetic properties only over a short interval of time are called
  A)
  natural magnet             done clear
  B)
  artificial magnet done clear
  C)
  permanent magnet       done clear
  D)
  temporary magnet done clear
  View Solution play_arrow

• question_answer3)
  Magnetic compass
  A)
  always points in N-S direction done clear
  B)
  used to find directions done clear
  C)
  is a magnet                  done clear
  D)
  all of these done clear
  View Solution play_arrow

• question_answer4)
  Two like poles of magnets always
  A)
  repel each other           done clear
  B)
  attract each other done clear
  C)
  sometimes repel sometimes attract each other done clear
  D)
  cann't say done clear
  View Solution play_arrow

• question_answer5)
  When two magnets are stored with North Pole alongside the North of the other magnet for a long time.
  A)
  its magnetic property increases done clear
  B)
  its magnetic property decreases done clear
  C)
  its magnetic property remains same done clear
  D)
  none of these done clear
  View Solution play_arrow

• question_answer6)
  A piece of iron should place across the poles of horse shoe magnet
  A)
  to conserve its magnetic property done clear
  B)
  to increase its magnetic property done clear
  C)
  to make it demagnetise done clear
  D)
  to decrease its magnetic property done clear
  View Solution play_arrow

• question_answer7)
  When we break a magnet into pieces, each piece having
  A)
  North Pole only            done clear
  B)
  South Pole only done clear
  C)
  both North and South Poles done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer8)
  Shapes of natural magnets are.......
  A)
  horse-shoe       done clear
  B)
           irregular done clear
  C)
  cylindrical         done clear
  D)
          regular done clear
  View Solution play_arrow

• question_answer9)
  The attractive property of magnet was discovered by
  A)
  Indians            done clear
  B)
           Chinese done clear
  C)
  Greeks      done clear
  D)
           Japanese done clear
  View Solution play_arrow

• question_answer10)
  ................. is the surest test of magnetism.
  A)
  Attraction        done clear
  B)
           Rotation done clear
  C)
  Repulsion  done clear
  D)
          None of these done clear
  View Solution play_arrow

• question_answer11)
  Which of the following gets demagnetised when a powerful magnet is kept near it?
  A)
  Plastic ruler      done clear
  B)
          Compact disc done clear
  C)
  Glass tumbler  done clear
  D)
           Wood done clear
  View Solution play_arrow

• question_answer12)
  Magnetism of a magnet is lost by
  A)
  keeping in a box          done clear
  B)
  heating done clear
  C)
  hammering                  done clear
  D)
  Both (b) and (c) done clear
  View Solution play_arrow

• question_answer13)
  Which of the following does not get demagnetised when a powerful magnet is kept near it?
  A)
  compact disc   done clear
  B)
           iron container done clear
  C)
  cell phone        done clear
  D)
          comb done clear
  View Solution play_arrow

• question_answer14)
  A device used by pilots and navigators to find the direction is
  A)
  barometer       done clear
  B)
           thermometer done clear
  C)
  magnetic compass       done clear
  D)
  none of these                         done clear
  View Solution play_arrow

• question_answer15)
  The two poles of any magnet are
  A)
  east pole and west pole done clear
  B)
  north pole and south pole done clear
  C)
  north pole and west pole done clear
  D)
  south pole and east pole done clear
  View Solution play_arrow

• question_answer16)
  A natural magnet has
  A)
  only one pole done clear
  B)
  two poles done clear
  C)
  can't say done clear
  D)
  unlimited number of poles done clear
  View Solution play_arrow

• question_answer17)
  A freely suspended magnet always rests in
  A)
  north-south direction done clear
  B)
  south-north direction done clear
  C)
  east-west direction done clear
  D)
  Both (a) and (b) are correct done clear
  View Solution play_arrow

• question_answer18)
  The pole of a freely suspended magnet that points towards north direction is called
  A)
  north seeking end done clear
  B)
  south seeking end done clear
  C)
  east seeking end           done clear
  D)
  west seeking end done clear
  View Solution play_arrow

• question_answer19)
  A magnet attracts which of the following metals?
  A)
  Iron                  done clear
  B)
           Cobalt done clear
  C)
  Nickel              done clear
  D)
           All of these done clear
  View Solution play_arrow

• question_answer20)
  Which of the following are magnetic materials?
  A)
  Iron                  done clear
  B)
           Cobalt done clear
  C)
  Nickel              done clear
  D)
           All of these done clear
  View Solution play_arrow

• question_answer21)
  Which of the following are a group of non- magnetic materials?
  A)
  Plastic and wood done clear
  B)
  Wood and iron done clear
  C)
  Iron and cobalt            done clear
  D)
  Plastic and nickel done clear
  View Solution play_arrow

• question_answer22)
  A magnetic compass is a device that is used to show
  A)
  time                 done clear
  B)
           mass done clear
  C)
  temperature     done clear
  D)
  direction done clear
  View Solution play_arrow

• question_answer23)
  The part of magnetic needle of magnetic compass that points towards north is generally coated with
  A)
  white colour    done clear
  B)
           blue colour done clear
  C)
  red colour  done clear
  D)
           None of these done clear
  View Solution play_arrow

• question_answer24)
  From a heap of sand and small iron pieces which method would you use to separate iron pieces from the heap?
  A)
  Hand picking               done clear
  B)
  By using a magnet done clear
  C)
  Either of the two          done clear
  D)
  None of these two done clear
  View Solution play_arrow

• question_answer25)
  A magnet is likely to loose its magnetic properties when
  A)
  it is wrapped in cotton wool done clear
  B)
  it is struck with a hammer done clear
  C)
  it is kept in a cool room done clear
  D)
  None of the above is correct done clear
  View Solution play_arrow

• question_answer26)
  You are advised not to store your floppy disk near a magnet because
  A)
  it may cause your magnet to rust done clear
  B)
  it may make you magnet weaker done clear
  C)
  it may erase the information stored in your disk done clear
  D)
  it may break your disk done clear
  View Solution play_arrow

• question_answer27)
  Which part of a bar magnet will attract the maximum number of iron nails when it is brought near a heap of iron nails?
  A)
  North pole     done clear
  B)
           South pole done clear
  C)
  Middle portion done clear
  D)
          Near both poles done clear
  View Solution play_arrow

• question_answer28)
  Many household appliances contain magnet in them. Which of the following does not contain a magnet in it?
  A)
  Radio               done clear
  B)
           Fan done clear
  C)
  Refrigerator     done clear
  D)
           Torch done clear
  View Solution play_arrow

• question_answer29)
  Which part of a magnetic compass can rotate freely?
  A)
  The metal box done clear
  B)
  The glass cover on metal box done clear
  C)
  The magnetic needle done clear
  D)
  The dial done clear
  View Solution play_arrow

• question_answer30)
  Which of the following is a magnetic element?
  A)
  Copper            done clear
  B)
           Aluminium done clear
  C)
  Cobalt              done clear
  D)
           Zinc done clear
  View Solution play_arrow

• question_answer31)
  Following are some of the operations performed on magnet. Which of these can demagnetise the given magnet? Heating Hammering Keep it in close contact with another magnet is such away, that like poles are together Keeping it in water
  A)
  (1), (2) and (4) done clear
  B)
          (1), (3) and (4) done clear
  C)
  (1), (2) and (3) done clear
  D)
  (2), (3) and (4) done clear
  View Solution play_arrow

• question_answer32)
  Which of the following statement(s) is/are correct?
  A)
  A freely suspended bar magnet always points in East-North direction. done clear
  B)
  Glass is not a magnetic substance done clear
  C)
  Plastic is a magnetic substance done clear
  D)
  All the above are correct done clear
  View Solution play_arrow

• question_answer33)
  Which of the following statement(s) is/are correct?
  A)
  A magnetic needle used in compass is not a magnet done clear
  B)
  The dial of a compass can rotate freely done clear
  C)
  One end of the magnetic needle of compass is generally painted with red colour done clear
  D)
  All the above are correct done clear
  View Solution play_arrow

• question_answer34)
  One end of magnetic needle in the magnetic compass is coloured red. This end of the needle always points
  A)
  towards south done clear
  B)
           towards north done clear
  C)
  towards east    done clear
  D)
  towards west done clear
  View Solution play_arrow

• question_answer35)
  A rock is known as a natural magnet. The rock contains iron. The rock is called
  A)
  Magnes            done clear
  B)
           Magnesia done clear
  C)
  Magnetite    done clear
  D)
           None of these done clear
  View Solution play_arrow

• question_answer36)
  Magnetic pole
  A)
  a point in a bar magnet where magnetic forces are strongest done clear
  B)
  the central point of a bar magnet where the magnetic forces are least done clear
  C)
  Both the above are correct done clear
  D)
  None of the above is correct done clear
  View Solution play_arrow

• question_answer37)
  Why are cobalt, nickel and iron called magnetic substances?
  A)
  They can be converted into any shape by heating. done clear
  B)
  They get attracted by a magnet. done clear
  C)
  They get repelled by a magnet. done clear
  D)
  None of the above is correct. done clear
  View Solution play_arrow

• question_answer38)
  DIRECTIONS: Match Column=I with Column-II and select the correct answer using the codes given below the columns.

  Column-I	Column-II
  A. North-seeking pole	(p) Pole of a freely suspended magnet which points to south.
  B. South-seeking pole	(q) cannot exists independently.
  C. Electromagnet	(r) Pole of a freely suspended magnet which points to north.
  D. Magnetic poles	(s) are used to lift heavy weights.

  A)
   \[A\to (p);B\to (q);C\to (r);D\to (s)\] done clear
  B)
   \[A\to (p);B\to (r);C\to (q);D\to (s)\] done clear
  C)
   \[A\to (s);B\to (p);C\to (r);D\to (q)\] done clear
  D)
   \[A\to (r);B\to (p);C\to (s);D\to (q)\] done clear
  View Solution play_arrow

• question_answer39)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 1 A shepherd named magnes lived in Greece used to take his herd of sheeps and goats on a mountain for grazing. He always carried a stick to control his herd. The stick had a small piece of iron attached to one end. One day he had to pull hard to free his stick from a rock on the mountain side. Why has magnes to pull hard to free his stick from a rock on the mountain side on that particular day?
  A)
  His stick was stuck in the bushes on the mountain. done clear
  B)
  He was holding his stick in such a way that the portion of stick having small piece of iron attached was held by him in his hand. done clear
  C)
  The portion of stick having iron piece attached to it was pointing towards rock and get attracted strongly by the rock done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer40)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 1 A shepherd named magnes lived in Greece used to take his herd of sheeps and goats on a mountain for grazing. He always carried a stick to control his herd. The stick had a small piece of iron attached to one end. One day he had to pull hard to free his stick from a rock on the mountain side. The credit for the discovery of natural magnet goes to
  A)
  Mendes            done clear
  B)
           Mendel done clear
  C)
  Magnes       done clear
  D)
           None of these done clear
  View Solution play_arrow

• question_answer41)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 1 A shepherd named magnes lived in Greece used to take his herd of sheeps and goats on a mountain for grazing. He always carried a stick to control his herd. The stick had a small piece of iron attached to one end. One day he had to pull hard to free his stick from a rock on the mountain side. Magnes lived in
  A)
  Ancient India   done clear
  B)
           Ancient China done clear
  C)
  Egypt                           done clear
  D)
  Ancient Greece done clear
  View Solution play_arrow

• question_answer42)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 2 One of the important property of magnet is that a freely suspended magnet always rests in the same direction (North-South). The freely suspended magnet always rests in
  A)
  east-west direction       done clear
  B)
  north-south direction done clear
  C)
  west-north direction done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer43)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 2 One of the important property of magnet is that a freely suspended magnet always rests in the same direction (North-South). We want to find the exact direction at a place, to find this
  A)
  we can look at the rising sun at that place and then our face is in east direction, on our left will be north. done clear
  B)
  we can use a magnetic compass and find the direction by looking at its dial. done clear
  C)
  both the above methods give us an exact knowledge of the directions. done clear
  D)
  None of the above is correct done clear
  View Solution play_arrow

• question_answer44)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 2 One of the important property of magnet is that a freely suspended magnet always rests in the same direction (North-South). One end of magnetic needle in the magnetic compass is coloured red. This end of the needle always points
  A)
  towards south done clear
  B)
           towards north done clear
  C)
  towards east    done clear
  D)
           towards west done clear
  View Solution play_arrow

• question_answer45)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as ?Assertion A? and the other- labelled as "Reason R ". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion A: It is easier to bring North Pole of a magnet to South Pole of other magnet. Reason R: There is a force of attraction between unlike poles of magnet.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer46)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as ?Assertion A? and the other- labelled as "Reason R ". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion A: Tennis ball attracts towards a magnet Reason (R): Tennis balls is a non-magnetic object.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer47)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as ?Assertion A? and the other- labelled as "Reason R ". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion A: Iron is a non-magnetic substance. Reason (R): Iron is attracted towards a magnet.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer48)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as ?Assertion A? and the other- labelled as "Reason R ". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion A: A magnet attracts cobalt. Reason (R): A horse shoe magnet is rectangular in shape.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer49)
  DIRECTIONS: Read the following two statements carefully and choose the correct options. Statement-1: A compass is a device used to find directions. Statement-2: Electromagnet is used to make a magnetic compass.
  A)
  Statement (1) is correct while statement (2) is incorrect. done clear
  B)
  Statement (2) is correct while statement (1) is incorrect. done clear
  C)
  Both statements are correct done clear
  D)
  Both statements are incorrect. done clear
  View Solution play_arrow

• question_answer50)
  DIRECTIONS: Read the following two statements carefully and choose the correct options. Statement-1: Magnetite is a naturally occurring mineral. Statement-2: Magnetite attracts magnetic material but the force of attraction is weak.
  A)
  Statement (1) is correct while statement (2) is incorrect. done clear
  B)
  Statement (2) is correct while statement (1) is incorrect. done clear
  C)
  Both statements are correct done clear
  D)
  Both statements are incorrect. done clear
  View Solution play_arrow

• question_answer51)
  A nail is magnetized as shown in the figure. Which polarity will develop at A and B?
  A)
  A - North, B-North       done clear
  B)
  A - North, B-South done clear
  C)
  A - South, B ? South   done clear
  D)
  A - South, B-North done clear
  View Solution play_arrow

• question_answer52)
  Some objects were classified into two groups as under. Group 1: Iron, graphite, silver Group 2: Rubber, plastics, wood The classification of objects has been done using which one of the following categories?
  A)
  Magnetic substances and non-magnetic substances done clear
  B)
  Metals and non-metals done clear
  C)
  Conductors and insulators done clear
  D)
  All the above done clear
  View Solution play_arrow

• question_answer53)
  Magnetite is
  A)
  a naturally occurring mineral done clear
  B)
  an artificial magnet done clear
  C)
  Both the above done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer54)
  A magnet is also called lodestone because
  A)
  it can lift load done clear
  B)
  it is like a stone done clear
  C)
  it helps us to locate directions done clear
  D)
  All the above are correct done clear
  View Solution play_arrow

• question_answer55)
  Select the proper method for storage of bar magnets
  A)
  bar magnets should be kept in pairs done clear
  B)
  bar magnets should be kept in pairs with their unlike poles on the same side done clear
  C)
  bar magnets should be kept in pairs with their unlike poles on the opposite sides done clear
  D)
  All the above are correct done clear
  View Solution play_arrow

• question_answer56)
  The loss of magnetic properties by a magnet is called
  A)
  demagnetisation  done clear
  B)
  magnetisation done clear
  C)
  dropping of magnet      done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer57)
  The making of magnet of an iron needle with the help of a magnet is called
  A)
  magnetisation done clear
  B)
  demagnetisation done clear
  C)
  method of demagnetisation of an iron needle done clear
  D)
  None of the above is correct done clear
  View Solution play_arrow

• question_answer58)
  Which of the following can be used to find if the given iron piece is a magnet?
  A)
  By trying to attract another magnet done clear
  B)
  By trying to repel another magnet done clear
  C)
  By bringing another piece of iron near to it done clear
  D)
  By trying to attract small pieces of paper. done clear
  View Solution play_arrow

• question_answer59)
  Identify the function of magnetic belt from the following.
  A)
  To mix iron objects to trash done clear
  B)
  To melt iron objects from trash done clear
  C)
  To separate iron objects from trash done clear
  D)
  To repel magnetic substances done clear
  View Solution play_arrow

• question_answer60)
  Which of the following statement(s) is/are correct?
  A)
  A magnetic substance when brought near the north pole of a bar magnet gets attracted towards it done clear
  B)
  A magnetic substance when brought near the south pole of a bar magnet gets attracted towards it done clear
  C)
  A magnetic substance when brought near the middle of a bar magnet gets attracted towards it done clear
  D)
  All the above are correct done clear
  View Solution play_arrow

• question_answer61)
  Which of the following statement(s) is/are correct?
  A)
  A bar magnet loses its magnetic properties to a large extent if it is dropped from some height done clear
  B)
  A bar magnet that has been demagnetized can be again converted into a magnet done clear
  C)
  Both the above are correct done clear
  D)
  None of these are correct done clear
  View Solution play_arrow

• question_answer62)
  Which of the following features will you observe in the needle of compass? it will attract metals it will show a deflection if a magnet is brought near it it will always come to rest in east-west direction it will always come to rest in north-south direction
  A)
  and (ii)         done clear
  B)
          (i), (ii) and (iii) done clear
  C)
  (ii) and (iv)       done clear
  D)
  (ii) only done clear
  View Solution play_arrow

• question_answer63)
  North pole of a magnet is
  A)
  that pole of the magnet which points in north direction when the magnet is freely suspended done clear
  B)
  that pole of the magnet which is known as north seeking end when magnet is freely suspended done clear
  C)
  that pole of the magnet which is attracted towards the south pole of earth's magnet done clear
  D)
  All the above are correct done clear
  View Solution play_arrow

• question_answer64)
  A compass
  A)
  is a device used by navigators to find the directions at a place done clear
  B)
  is a device that makes use of a magnetic needle to locate the directions at a place done clear
  C)
  Both the above are correct done clear
  D)
  None of these are correct done clear
  View Solution play_arrow

• question_answer65)
  The number of magnetic poles in a horse shoe magnet is/are
  A)
  1                      done clear
  B)
           2 done clear
  C)
  3                      done clear
  D)
           4 done clear
  View Solution play_arrow

• question_answer66)
  How many ends of a magnetic needle are painted red?
  A)
  1              done clear
  B)
           2 done clear
  C)
  3                      done clear
  D)
           4 done clear
  View Solution play_arrow

• question_answer67)
  When a magnet is placed on a plastic plate with common pins spread on it, then maximum number of pins stick
  A)
  at the middle of the magnet done clear
  B)
  at the ends of the magnet done clear
  C)
  all around the magnet done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer68)
  Which of the following is not a non-magnetic substance?
  A)
  Glass               done clear
  B)
           Wood done clear
  C)
  China ware       done clear
  D)
          Nickel done clear
  View Solution play_arrow

• question_answer69)
  Which of the following cannot be used to make a magnet?
  A)
  Cobalt             done clear
  B)
           Iron done clear
  C)
  Ebonite            done clear
  D)
           Steel done clear
  View Solution play_arrow

• question_answer70)
  .................. is the natural magnet.
  A)
  Magnetite    done clear
  B)
           Ebonite done clear
  C)
  Cobalt             done clear
  D)
  Nickel done clear
  View Solution play_arrow

• question_answer71)
  What is our best evidence that Earth has a magnetic field?                                  
  A)
  All things fall towards Earth's centre.             done clear
  B)
  All compass needle lines up with it.    done clear
  C)
  Winds blows from east to west. done clear
  D)
  Earth's oceans have current. done clear
  View Solution play_arrow

• question_answer72)
  How is earth's similar to that of a magnet?
  A)
  It has North and South poles done clear
  B)
  It is hundreds of miles long.                      done clear
  C)
  It is made in Earth's core.                        done clear
  D)
  It is shaped like a horseshoe,       done clear
  View Solution play_arrow

• question_answer73)
  The North end of the freely suspended magnet points towards.............?                            
  A)
  geographical East        done clear
  B)
  geographical North done clear
  C)
  geographical West       done clear
  D)
  geographical South done clear
  View Solution play_arrow

• question_answer74)
  For an electromagnet to have a magnetic field
  A)
  It must be heated done clear
  B)
  It has to be touching another magnet done clear
  C)
  It must be lined up with Earth's magnetic field                                           done clear
  D)
  It must be connected to an electrical source done clear
  View Solution play_arrow

• question_answer75)
  Ancient people discovered magnetic rocks called lodestone. They use them
  A)
  to start fires      done clear
  B)
           for compasses done clear
  C)
  for sculptures   done clear
  D)
  for telephone receivers done clear
  View Solution play_arrow

• question_answer76)
  What characteristics do magnetic substances have?                                           
  A)
  They can give a "shock" when you touch them.                                         done clear
  B)
  They can push or pull objects they are not touching,   done clear
  C)
  They are always black and cold to touch.         done clear
  D)
  They fall faster than other objects when you drop them.       done clear
  View Solution play_arrow

• question_answer77)
  Magnet which is used in cranes to lift heavy containers from ships is a/an                         
  A)
  bar magnet       done clear
  B)
             cylindrical magnet                                 done clear
  C)
  electromagnet      done clear
  D)
  horseshoe magnet             done clear
  View Solution play_arrow

• question_answer78)
  Which of the following device using electro- magnet?
  A)
  Electric bell      done clear
  B)
           Ceiling fan done clear
  C)
  Electric motor              done clear
  D)
  All of the above done clear
  View Solution play_arrow

• question_answer79)
  DIRECTION: Match Column-I with Column-Hand, columns.

  Column-I	Column-II
  A. Iron	(p) Can be magnetised easily
  B. Magnetite	(q) A magnetic material
  C. Aluminium	(r) A light metal that is not a magnetic material
  D. Nickel	(s) A natural magnet

  A)
   \[A\to (p);B\to (q);C\to (r);D\to (s)\] done clear
  B)
   \[A\to (s);B\to (r);C\to (q);D\to (p)\] done clear
  C)
   \[A\to (p);B\to (s);C\to (r);D\to (q)\] done clear
  D)
   \[A\to (r);B\to (q);C\to (p);D\to (s)\] done clear
  View Solution play_arrow

• question_answer80)
  DIRECTION: Match Column-I with Column-Hand, columns.

  Column - I	Column - II
  A. Magnets	(p) Occurs when a magnet is heated
  B. Horse shoe magnet	(q) Should be kept in pairs with their opposite poles on the same side.
  C. Bar magnet	(r) It is U-shaped
  D. Demagnetisation	(s) Must always be kept away from mobiles, T.V., Music system, computers, etc.

  A)
   \[A\to (p);B\to (r);C\to (q);D\to (s)\] done clear
  B)
   \[A\to (s);B\to (q);C\to (r);D\to (p)\] done clear
  C)
   \[A\to (r);B\to (p);C\to (s);D\to (q)\] done clear
  D)
   \[A\to (s);B\to (r);C\to (q);D\to (p)\] done clear
  View Solution play_arrow

• question_answer81)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 1 The trains that use magnets to float above a track is called Maglev (Magnetic Levitadon) trains. This trains work on the principle that like poles repel and unlike poles attract each other. Due to magnetic force of attraction and repulsion this vehicle moves in forward direction. This train does not require wheels. Maglev train floats above the guide way experiences very less friction does not require wheels
  A)
  only       done clear
  B)
           and (3) done clear
  C)
  (3) only   done clear
  D)
                       (1), (2) and (3) done clear
  View Solution play_arrow

• question_answer82)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 1 The trains that use magnets to float above a track is called Maglev (Magnetic Levitadon) trains. This trains work on the principle that like poles repel and unlike poles attract each other. Due to magnetic force of attraction and repulsion this vehicle moves in forward direction. This train does not require wheels. Maglev trains work on the principle that
  A)
  like poles repel each other done clear
  B)
  unlike poles attract each other done clear
  C)
  both (a) and  (b) done clear
  D)
  None of these done clear
  View Solution play_arrow

• question_answer83)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 1 The trains that use magnets to float above a track is called Maglev (Magnetic Levitadon) trains. This trains work on the principle that like poles repel and unlike poles attract each other. Due to magnetic force of attraction and repulsion this vehicle moves in forward direction. This train does not require wheels. What is used in Maglev trains instead of wheels?
  A)
  Bar magnets    done clear
  B)
  Horse shoe magnets done clear
  C)
  Natural magnets          done clear
  D)
  Electromagnets done clear
  View Solution play_arrow

• question_answer84)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 2 You are provided with a soil and asked to find out if the given soil contains some magnetic substance or not? You rubbed a magnet in the soil and then pulled out the magnet. Your magnet appeared as shown below: The soil provided to you
  A)
  contains magnetic substance done clear
  B)
  does not contain any magnetic substance done clear
  C)
  Both the above are correct done clear
  D)
  None of the above is correct done clear
  View Solution play_arrow

• question_answer85)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 2 You are provided with a soil and asked to find out if the given soil contains some magnetic substance or not? You rubbed a magnet in the soil and then pulled out the magnet. Your magnet appeared as shown below: The substance sticking to the magnet is
  A)
  iron                  done clear
  B)
           cobalt done clear
  C)
  nickel   done clear
  D)
           any magnetic substance done clear
  View Solution play_arrow

• question_answer86)
  DIRECTIONS: Read the passage (s) given below and answer the questions that follow. Passage - 2 You are provided with a soil and asked to find out if the given soil contains some magnetic substance or not? You rubbed a magnet in the soil and then pulled out the magnet. Your magnet appeared as shown below: When a magnet is brought near a heap of magnetic substance, the particles of magnetic substance will be attracted.
  A)
  attracted through out the length of bar magnet with the some force done clear
  B)
  attracted more near north pole and less near south pole done clear
  C)
  attracted more near south pole and less near north pole done clear
  D)
  attracted more near the poles and less near the middle portion done clear
  View Solution play_arrow

• question_answer87)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as ?Assertion A? and the other labelled as "Reason R ". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion A: Maglev is the train which does not require wheels. Reason (R): Maglev train experiences very less friction.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer88)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as ?Assertion A? and the other labelled as "Reason R ". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion A: Strength of electromagnet depends on the magnitude of current flowing through them. Reason (R): Electromagnets are used to lift heavy weights.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer89)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as ?Assertion A? and the other labelled as "Reason R ". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion A: The north pole of a freely suspended magnet points towards geographic north. Reason (R): Using pieces of iron we can make artificial magnets.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer90)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as ?Assertion A? and the other labelled as "Reason R ". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion A: A compass is a magnetic device that is used by sailors to find directions. Reason (R): The sailor can find directions by use of dial of magnetic compass even if there is no magnetic needle fixed in the compass.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer91)
  DIRECTIONS: The questions in this segment consists of two statements, one labelled as ?Assertion A? and the other labelled as "Reason R ". You are to examine these two statements carefully and decide if the Assertion A and Reason R are individually true and if so, whether the reason is a correct explanation of the assertion. Select your answers to these items using codes given below. Assertion A: A simple magnetic compass can be prepared by inserting a magnetised iron needle in a piece of cork and allow the cork to float in water kept in a bowl.                          Reason (R): In the above arrangement the needle must touch water while floating.
  A)
  Both A and R are true and R is the correct explanation of A. done clear
  B)
  Both A and R are true but R is not the correct explanation of A. done clear
  C)
  A is true but R is false. done clear
  D)
  A is false but R is true. done clear
  View Solution play_arrow

• question_answer92)
  DIRECTIONS: Read the following three statements carefully and choose the correct option. Statement-1: Permanent magnet can never lose its magnetic property. Statement-2: Two magnets should never stored with like poles alongside for a long time. Statement-3: On heating magnetic property of a magnet increases.
  A)
  Statement (1) and (3) are incorrect while statement (2) is correct. done clear
  B)
  Statement (1) and (2) are incorrect while (3) is correct. done clear
  C)
  All the statements are correct. done clear
  D)
  All the statements are incorrect. done clear
  View Solution play_arrow

• question_answer93)
  Magnets A and B are of equal magnetic strength. In which position will magnets A and B have the greatest attractive force towards each other?
  A)
  done clear
  B)
                                   done clear
  C)
           done clear
  D)
                                   Cannot say done clear
  View Solution play_arrow

• question_answer94)
  Letters A, B, C, and D represent locations on a bar magnet. Which location has the greatest magnetic force?
  A)
  A                      done clear
  B)
           B done clear
  C)
  C                       done clear
  D)
          D done clear
  View Solution play_arrow

• question_answer95)
  The diagram below shows a bar magnet resting on top of a piece of white paper. The north and south poles of the magnet are labeled N and S. Points A, B, C, and D represent four locations around the magnet. If iron filings were sprinkled evenly across the entire paper circle, at which location would the greatest concentration of iron filings be found after 30 seconds?
  A)
  A                        done clear
  B)
          B done clear
  C)
  C                       done clear
  D)
          D done clear
  View Solution play_arrow

• question_answer96)
  A student put five ring magnets on a pencil. The magnets are labeled 1,2, 3,4, and 5. Which two magnets are attracting each other?
  A)
  1 and 2             done clear
  B)
          2 and 3 done clear
  C)
  3 and 4              done clear
  D)
           4 and 5 done clear
  View Solution play_arrow

• question_answer97)
  A magnet is freely suspended in air as shown in diagram and another magnet is brought near it as shown in the diagram. What will be observed?
  A)
  It will show repulsion done clear
  B)
  It will show attraction done clear
  C)
  Nothing will happen     done clear
  D)
  Can'(predict) done clear
  View Solution play_arrow

• question_answer98)
  Choose the correct method for arranging three bar magnets.
  A)
  done clear
  B)
                                   done clear
  C)
  done clear
  D)
                                   done clear
  View Solution play_arrow

• question_answer99)
  Look at the figure showing iron pins being attracted towards nail in (ii) and tell which of the following is demonstrated by it?
  A)
  Pins get converted into artificial magnet in fig. (ii) done clear
  B)
  Pins gets demagnetised in fig. (i) done clear
  C)
  The iron nail becomes an artificial magnet in fig. (ii) done clear
  D)
  None of the above occurs done clear
  View Solution play_arrow

• question_answer100)
  The results of some observations about the number of iron pins attracted by a bar magnet are shown below. In your opinion which of the given reading are correct? Number of pins attracted Observation        A          B          C         D (i)         10        2          2          10 (ii)        10        5          5          4 (iii)       6          6          6          6 (iv)       2          10        10        2
  A)
  (i)             done clear
  B)
           (ii) done clear
  C)
  (iii)                    done clear
  D)
           (iv) done clear
  View Solution play_arrow

• question_answer101)
  The correct method of making an artificial magnet is
  A)
  as shown in fig. (i)       done clear
  B)
  as shown in fig. (ii) done clear
  C)
  Both are correct           done clear
  D)
  None of these is correct done clear
  View Solution play_arrow

• question_answer102)
  Why is the ring magnet P floating on ring magnet Q in the given figure?
  A)
  Magnet P is lighter as compared to magnet Q. done clear
  B)
  Magnet Q is more powerful as compared to magnet P. done clear
  C)
  Like poles of magnets P and Q are facing each other. done clear
  D)
  Unlike poles of magnets P and Q are facing each other done clear
  View Solution play_arrow