7th Class Science Time and Motion Question Bank

done Motion and Time Total Questions - 40

• question_answer1)
  Speed of a car is 30 m/s. Find its speed in km/h?
  A)
  110 km/h                       done clear
  B)
  5.3 km/h done clear
  C)
  108 km/h           done clear
  D)
         109 km/h done clear
  E)
  None of these done clear
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• question_answer2)
  Distance travelled by truck t is 80 km in 1 hour whereas distance covered by truck y is 180 km in 2 hours. Which truck travelled faster?
  A)
  Truck t is faster than truck y. done clear
  B)
  Truck y is faster than truck t. done clear
  C)
  Both trucks t and y moving with equal speed. done clear
  D)
  Either [a] or [b] done clear
  E)
  None of these done clear
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• question_answer3)
  Look at the following table and choose the correct distance time graph.

  Distance Travelled (m)	5	10	15	20	25
  Time (s)	3	6	9	12	15

  A)
  done clear
  B)
  done clear
  C)
  done clear
  D)
  done clear
  E)
  None of these done clear
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• question_answer4)
  Motion of bob of a simple pendulum shows:
  A)
  Circulatory motion done clear
  B)
  Periodic motion done clear
  C)
  Non- periodic motion       done clear
  D)
  Rectilinear motion done clear
  E)
  None of these done clear
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• question_answer5)
  Which letter among the following represents mean position of the pendulum?
  A)
  A                                  done clear
  B)
  B done clear
  C)
  O                      done clear
  D)
         All the above done clear
  E)
  None of these done clear
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• question_answer6)
  If speed of a person is X and time is Z, then the distance will be:
  A)
  \[X=Z\]             done clear
  B)
  \[X/Z\] done clear
  C)
  \[X\times Z\]       done clear
  D)
         \[Z/X\] done clear
  E)
  None of these done clear
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• question_answer7)
  Clock X has minute hand and hour hand whereas clock Y has minute, hour and second hands. Which of the following is correct for the above statement'
  A)
  Time interval of 20 seconds can be measured by both the clocks X and Y. done clear
  B)
  Time interval of 2 hours 20 minutes can be measured by clock X only. done clear
  C)
  Time interval of 6 minutes 25 seconds can be measured by clock Y only. done clear
  D)
  Time interval of 5 minutes 5 seconds can be measured by both the clocks. done clear
  E)
  None of these done clear
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• question_answer8)
  Raghu and Ram have to reach point C from point B. They started movies: together from point B and reached point C at the same time but by taking two different paths. If the distance travelled by Ram is greater than that o: Raghu then which of the following statements is correct?
  A)
  Speed of Raghu is greater than speed of Ram. done clear
  B)
  Speed of Ram is greater than speed of Raghu. done clear
  C)
  Both Ram and Raghu were moving with equal speed. done clear
  D)
  Both Ram and Raghu were at rest. done clear
  E)
  None of these done clear
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• question_answer9)
  A time measuring instrument consists of a triangular metal plate, circular plate in which time can be measured by position of shadows formed.
  A)
  Hourglass                       done clear
  B)
  Sundial done clear
  C)
  Candle clock      done clear
  D)
         Pendulum clock done clear
  E)
  None of these done clear
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• question_answer10)
  A man driving a car covered a distance of 85 meters in 25 seconds. What is the speed of the car?
  A)
  \[2.2\,\,m/s\]                   done clear
  B)
  \[2.1\,\,m/s\] done clear
  C)
  \[2.4\,\,m/s\]       done clear
  D)
         \[0.4\,\,m/s\] done clear
  E)
  None of these done clear
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• question_answer11)
  An instrument for measuring the distance travelled by a vehicle is:
  A)
  Speedometer                  done clear
  B)
  Odometer done clear
  C)
  Wind vane         done clear
  D)
         Ammeter done clear
  E)
  None of these done clear
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• question_answer12)
  Which of the following is not a unit of speed?
  A)
  \[m/s\]                        done clear
  B)
  \[km/h\] done clear
  C)
  \[m/{{s}^{-1}}\]        done clear
  D)
          \[m{{s}^{-1}}\] done clear
  E)
  None of these done clear
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• question_answer13)
  The time period in the given simple pendulum is:
  A)
  Time taken by bob to travel Q to R. done clear
  B)
  Time taken by bob to travel Q to P then from P to Q. done clear
  C)
  Time taken by bob to travel Q to R then from R to P. done clear
  D)
  Time taken by bob to travel Q to R then from R to P and then from P to Q. done clear
  E)
  None of these done clear
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• question_answer14)
  When the speed of an object moving along a straight line keeps changing its motion is called:
  A)
  Periodic             done clear
  B)
  Uniform done clear
  C)
  Non-uniform done clear
  D)
         All the above done clear
  E)
  None of these done clear
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• question_answer15)
  Which of the following is an advantage of distance-time graph?
  A)
  Variation of distance travelled by an object with time can be seen easily. done clear
  B)
  We can find distance moved by the object at any point of time. done clear
  C)
  We can find speed of an object. done clear
  D)
  All the above done clear
  E)
  None of these done clear
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• question_answer16)
  ____ is the rate of change of position of an object.
  A)
  Acceleration                   done clear
  B)
  Speed done clear
  C)
  Motion  done clear
  D)
         Distance done clear
  E)
  None of these done clear
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• question_answer17)
  Which of the following is correct for measuring time by using stopwatch?
  A)
  Used to measure total distance travelled. done clear
  B)
  Used to measure total speed. done clear
  C)
  Used to measure correct time. done clear
  D)
  Used to measure exact time during the event. done clear
  E)
  None of these done clear
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• question_answer18)
  Which of the following defines number of vibration per second?
  A)
  Speed                done clear
  B)
  Distance done clear
  C)
  Frequency          done clear
  D)
         Motion done clear
  E)
  None of these done clear
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• question_answer19)
  A simple pendulum takes 55 s to complete 50 oscillations. What is the time- period of this pendulum?
  A)
  3.2 s                             done clear
  B)
  2.1 s done clear
  C)
  1.1 s                 done clear
  D)
         0.9 s done clear
  E)
  None of these done clear
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• question_answer20)
  A slope of a distance time graph depicts:
  A)
  Displacement                 done clear
  B)
  Distance done clear
  C)
  Speed         done clear
  D)
           Time done clear
  E)
  None of these done clear
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• question_answer21)
  When a body covers equal distance in equal interval of time then it is:
  A)
  Periodic motion done clear
  B)
  Non-uniform motion done clear
  C)
  Average speed done clear
  D)
  Uniform motion done clear
  E)
  None of these done clear
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• question_answer22)
  To and fro motion of the bob of the simple pendulum is:
  A)
  Linear motion     done clear
  B)
  Rectilinear motion done clear
  C)
  Oscillatory motion           done clear
  D)
  Circular motion done clear
  E)
  None of these done clear
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• question_answer23)
  \[1\,m/s=\_\_\_\_km/h\]
  A)
  \[\frac{50}{3}\]                          done clear
  B)
  \[\frac{3}{50}\] done clear
  C)
  \[\frac{5}{18}\]              done clear
  D)
         \[\frac{18}{5}\]   done clear
  E)
  None of these done clear
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• question_answer24)
  Look at the following distance-time graph and choose the correct statement.
  A)
  Body OA is moving with higher speed. done clear
  B)
  Body OB is moving with lower speed. done clear
  C)
  ) Body OA is moving with lower speed. done clear
  D)
  Body OB is at rest. done clear
  E)
  None of these done clear
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• question_answer25)
  The graph of one quantity versus another results in a straight line, the quantities are:
  A)
  Constant done clear
  B)
  Directly proportional done clear
  C)
  Independent proportional done clear
  D)
  Independent of each other done clear
  E)
  None of these done clear
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• question_answer26)
  What is the distance covered by a car in 8 h if it is moving with a speed of\[40\,\,km/h\]?
  A)
  5 km                             done clear
  B)
  320 km    done clear
  C)
  300 km  done clear
  D)
         50 km done clear
  E)
  None of these done clear
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• question_answer27)
  Motion along a straight line:
  A)
  Circular motion   done clear
  B)
  Rotational motion done clear
  C)
  Rectilinear motion done clear
  D)
         Oscillatory motion done clear
  E)
  None of these done clear
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• question_answer28)
  Time from one sunrise to the next is:
  A)
  One Month                    done clear
  B)
  One Day done clear
  C)
  One Hour            done clear
  D)
          One Second done clear
  E)
  None of these done clear
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• question_answer29)
  Richa takes 20 minutes from her house to reach her school. If her speed is\[2\,\,m/s,\] calculate the distance between her house and the school.
  A)
  1800m              done clear
  B)
  2400m done clear
  C)
  1600m  done clear
  D)
         1500m done clear
  E)
  None of these done clear
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• question_answer30)
  In a simple pendulum if time taken by the bob to move from P to Q is 2s and from Q to R 2s. The time period of the given pendulum is:
  A)
  8 s                                done clear
  B)
  12 s done clear
  C)
  4 s                    done clear
  D)
         16 s done clear
  E)
  None of these done clear
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• question_answer31)
  The given graph is showing that:
  A)
  Body AB is in motion speed is increasing. done clear
  B)
  Speed of body AB is increasing. done clear
  C)
  Body AB is at rest. done clear
  D)
  Speed of body AB is decreasing. done clear
  E)
  None of these done clear
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• question_answer32)
  Time from one full moon to the next is:
  A)
  One Day                        done clear
  B)
  One Night done clear
  C)
  One Month done clear
  D)
         One Hour done clear
  E)
  None of these done clear
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• question_answer33)
  Ravi covers a distance of 2km in 1 hour and Reyansh covers the same distance in 1 hour 30 minutes, who travels with a higher speed?
  A)
  Ravi done clear
  B)
  Reyansh done clear
  C)
  Both Ravi and Reyansh done clear
  D)
  Either Ravi or Reyansh done clear
  E)
  None of these done clear
  View Solution play_arrow

• question_answer34)
  Which of the following is time measuring instrument?
  A)
  Odometer                      done clear
  B)
  Speedometer done clear
  C)
  Sundial  done clear
  D)
         Scale done clear
  E)
  None of these done clear
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• question_answer35)
  Who discovered simple pendulum?
  A)
  Nicolaus Copernicus done clear
  B)
  Galileo Galilei done clear
  C)
  Isaac Newton     done clear
  D)
  Kalpana Chawla done clear
  E)
  None of these done clear
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• question_answer36)
  Which physical quantity was measured by using sundials?
  A)
  Temperature       done clear
  B)
  Time done clear
  C)
  Speed of an object done clear
  D)
  Weight of an object done clear
  E)
  None of these done clear
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• question_answer37)
  Which among the following will give the most accurate time?
  A)
  Hourglass                       done clear
  B)
  Sundial done clear
  C)
  Atomic clock      done clear
  D)
         Stopwatch done clear
  E)
  None of these done clear
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• question_answer38)
  Speed of a person travelling by a scooter is\[50km/h\]. Time taken by him to reach his destination is 2 hours. Calculate the distance which he has travelled?
  A)
  \[100\text{ }km\]            done clear
  B)
  \[2\text{ }km\] done clear
  C)
  \[100\,\,km/h\]    done clear
  D)
         \[25\text{ }km\] done clear
  E)
  None of these done clear
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• question_answer39)
  Which of the following statements is correct?
  A)
  Straight line distance time graph shows constant speed. done clear
  B)
  Curved line distance time graph shows not constant speed. done clear
  C)
  Horizontal line parallel to the time axis shows zero speed. done clear
  D)
  All the above done clear
  E)
  None of these done clear
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• question_answer40)
  Clocks and watches used for measuring time are based on the principle of_______ motion.
  A)
  Rectilinear                      done clear
  B)
  Rotational done clear
  C)
  Non-periodic       done clear
  D)
         Periodic done clear
  E)
  None of these done clear
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