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General Knowledge :: Physics

  1. A cyclist leans inwards when he is negotiating a curve so that

  2. A.

     He may increase his speed

    B.

     His weight may be reduced

    C.

     Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion.

    D.

     No frictional force may be produced between the wheels and the axle


  3. If an object is thrown upwards, what will be its velocity, when it reaches its maximum height?

  4. A.

     0 m/s

    B.

     4.9 m/s

    C.

     14.7 m/s

    D.

     20 m/s


  5. Knot is a measure of

  6. A.

     The speed of ship

    B.

     The curvature of spherical objects

    C.

     Solar radiation

    D.

     Intensity of earthquake shock


  7. A pilot has to release the bomb to hit a target

  8. A.

     Right above the target

    B.

     Beyond the target

    C.

     Before the target

    D.

     None of these


  9. What is the other name of Galileo's law of falling bodies?

  10. A.

     Law of motion

    B.

     Newton's first law

    C.

     Newton's second law

    D.

     Newton's third law


  11. Skids occur when the brakes are applied so hard that the front or rear wheels lose traction are called as

  12. A.

     Cornering

    B.

     Blowout

    C.

     Power

    D.

     Braking


  13. During the motion of a projectile fired from the earth surface, ________

  14. A.

     Its kinetic energy remains constant

    B.

     Its momentum remains constant

    C.

     Vertical component of its velocity remains constant

    D.

     Horizontal component of its velocity remains constant


  15. What property of matter is momentum related to?

  16. A.

     Mass

    B.

     Velocity

    C.

     Both A & B

    D.

     None of the above


  17. The swing of a spinning cricket ball in air can be explained on the basis of

  18. A.

     Sudden change in wind direction.

    B.

     Buoyancy of air.

    C.

     Turbulence caused by wind.

    D.

     Bernoulli's theorem.


  19. What will happen if an object is dropped from a height and there is no air resistance?

  20. A.

     It will fall with a constant speed and acceleration

    B.

     Its acceleration will increase

    C.

     Both speed and acceleration will increase

    D.

     Its speed will increase