9th Class Physics Chapter 1 Important MCQs with Answers

9th Class Physics Chapter 1 Important MCQs

  1. A ball is thrown vertically upwards.Its velocity at the highest point is:

    2. a) -10m/s
    b) Zero
    c) 10ms-2
    d) None of these

    b) Zero

  2. By Dividing Displacement of a moving body with time,we obtain:

    3. a) Speed
    b) Acceleration
    c) Velocity
    d) Decelaration

    c) Velocity

  3. The speed of cheetah is:

    4. a) 200Kmh-1
    b) 70Kmh-1
    c) 100Kmh-1
    d) 90Kmh-1

    b) 70Kmh-1

  4. A change in positions is Called:

    5. a) Speed
    b) Velocity
    c) Displacement
    d) Distance

    d) Distance

  5. A train is moving a at a speed of 36kmh-1 , its spped expressed in ms-1 is:

    6. a) 10ms-1
    b) 20ms-1
    c) 25ms-1
    d) 30ms-1

    a) 10ms-1

  6. A car is moving with speed of 20ms-1,Its speed in Km-1 will be:

    7. a) 36ms-1
    b) 56ms-1
    c) 72ms-1
    d) 100ms-1

    c) 72ms-1

  7. _____is not a vector quantity.

    8. a) Displacement
    b) Velocity
    c) work
    d) Torque

    c) work

  8. Which of the following is a vector quantity:

    9. a) Speed
    b) Distance
    c) Displacement
    d) Power

    c) Displacement

  9. The Acceleration of a body falling down freely is approximetly:

    10. a) 20ms2s-2
    b) 10ms-2
    c) 10ms-1
    d) 10ms2s-1

    b) 10ms-2

  10. Which of the following is a vector quatity?

    11. a) Speed
    b) Distance
    c) Displacement
    d) Mass

    a) Speed

  11. The unit of Acceleration is;

    12. a) m
    b) ms-2
    c) ms-1
    d) kgm-1

    b) ms-2

  12. a=____________

    13. a) vf – vf/t
    b) vf + vf/t
    c) vf x vf/t
    d) t/vf – vf

    a) vf – vf/t

  13. The Unit of Acceleration is:

    14. a) kmh-1
    b) ms-1
    c) kmh-2
    d) kms-1

    c) kmh-2

  14. Which of the following is a vector quantity?

    15. a) Force
    b) Mass
    c) Speed
    d) Time

    a) Force

  15. Negative Acceleration is also called:

    16. a) Displacement
    b) Deceleation
    c) Retardation
    d) Both B and C

    d) Both B and C

  16. if an Object is moving with constant speed then its distance-time Graph will be a Straight line:

    17. a) Along time Axis
    b) Along Distance Axis
    c) Parallel to time Axis
    d) Inclinecd to time Axis

    c) Parallel to time Axis

  17. The Motion of body about an axis is called:

    18. a) Circular Motion
    b) Rotatory Motion
    c) Vibratory Motion
    d) Random Motion

    b) Rotatory Motion

  18. Brownain motion is an Example of

    19. a) Translatory Motion
    b) Linear Motion
    c) Random Motion
    d) Vibratory Motion

    c) Random Motion

  19. The to and fro motion of a body about its mean positon is called:

    20. a) Circular Motion
    b) Rotatory Motion
    c) Vibratory Motion
    d) Random Motion

    c) Vibratory Motion

  20. See-Saw is an Example of

    21. a) Circular Motion
    b) Rotatory Motion
    c) Vibratory Motion
    d) Random Motion

    c) Vibratory Motion

  21. The Motion of body in Straight line is

    22. a) Circular Motion
    b) Rotatory Motion
    c) Linear Motion
    d) Random Motion

    c) Linear Motion

  22. The motion of insects is called:

    23. a) Circular Motion
    b) Rotatory Motion
    c) Linear Motion
    d) Random Motion

    d) Random Motion

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