8th Class Science Force and Pressure Question Bank

done Self Test-3 Total Questions - 10

• question_answer1)
  Hary says water exerts pressure on the bottom of the bucket, but Robert says water exerts pressure on the wall of the bucket. Whose statement is correct?
  A)
   Hary done clear
  B)
   Robert done clear
  C)
   Both done clear
  D)
   The statement is irrelevant done clear
  E)
   None of these done clear
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• question_answer2)
  We have observed that water from the leaking pipe forms fountains. What conclusion can you draw from this observation?
  A)
   Water exert pressure on the wall done clear
  B)
   Water is flowing done clear
  C)
   Water does not exert pressure done clear
  D)
   Water is at rest done clear
  E)
   None of these done clear
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• question_answer3)
  When we inflate the balloons with air, we find that its size increases. The large number of gas molecule collides with each other and creates large:
  A)
   Force done clear
  B)
   Pressure done clear
  C)
   Increase in size done clear
  D)
   Increase in mass done clear
  E)
   None of these done clear
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• question_answer4)
  Which one of the following figures given below represents the fountain of water?
  A)
               done clear
  B)
    done clear
  C)
    done clear
  D)
    done clear
  E)
   None of these done clear
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• question_answer5)
  In which one of the following case, the pressure exerted will be maximum?
  A)
                               Baloon done clear
  B)
           Water in Bucket done clear
  C)
                                              Statue done clear
  D)
                                       Bread done clear
  E)
   None of these done clear
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• question_answer6)
  When we press the bulb of a dropper with its nozzle kept in water, air in the dropper is seen to escape in the form of bubbles. Once we release the pressure on the bulb, water gets filled in the dropper. The raise of water in the dropper is due to:
  A)
   Pressure of water done clear
  B)
   Gravity of earth done clear
  C)
   Shape of bulb done clear
  D)
   Atmospheric pressure done clear
  E)
   None of these done clear
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• question_answer7)
  Match the following in the table given below: Terms                                   Unit of measurement (1) Pressure                        Coulombs (2) Force                               Metersquare (3) Area                                 Newton (4) Electric charge             Pascal
  A)
   1-C, 2-A, 3-B, 4-D done clear
  B)
   1-B, 1-0, 3-A, 4-C done clear
  C)
   1-D, 2-C, 3-B, 4-A done clear
  D)
   1-A, 2-B, 3-C, 4-D done clear
  E)
   None of these done clear
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• question_answer8)
  Statement I: Pressure is the force acting per unit area of the surface. Statement II: Force acting perpendicular to the surface is called thrust.
  A)
   Statement I is correct done clear
  B)
   Statement II is correct done clear
  C)
   Both the statement are correct done clear
  D)
   Both the statement is incorrect done clear
  E)
   None of these done clear
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• question_answer9)
  It is seen that vegetables are cut easily with the sharp knife. In such case, less force are required to cut the vegetables. This is due to the fact that sharp knife has very:
  A)
   Thin edge done clear
  B)
   Thick edge done clear
  C)
   Use of large force done clear
  D)
   Smaller size done clear
  E)
   None of these done clear
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• question_answer10)
  The air pressure at the sea level is found to be:
  A)
   960mmHg done clear
  B)
   860 mm Hg done clear
  C)
   760mmHg done clear
  D)
   650mmHg done clear
  E)
   None of these done clear
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