Motion English Medium Free Online Test 1 Mark Questions 2020-2021

9th Standard

    Reg.No. :
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Science

Time : 00:20:00 Hrs
Total Marks : 20

    Part A

    10 x 1 = 10
  1. Slope of the velocity - time graph gives

    (a)

    speed

    (b)

    displacement

    (c)

    distance

    (d)

    acceleration

  2. A body moving with an initial velocity 5ms-1 and accelerates at 2ms-2. Its velocity after 10s is

    (a)

    20ms-1

    (b)

    25ms-1

    (c)

    5ms-1

    (d)

    22.55ms-1

  3. The area under velocity – time graph represents

    (a)

    velocity of the moving object

    (b)

    displacement covered by the moving object

    (c)

    speed of the moving object

    (d)

    acceleration of the moving object

  4. Unit of acceleration is

    (a)

    ms-1

    (b)

    ms-2

    (c)

    ms

    (d)

    ms2

  5. The force responsible for drying of clothes in a washing machine is

    (a)

    Centripetal force

    (b)

    Centrifugal force

    (c)

    Gravitational force

    (d)

    Electro static force

  6. The area under velocity time graph represents

    (a)

    Velocity of the moving object

    (b)

    Displacement covered by the moving object

    (c)

    Speed of the moving object

  7. In a 100 m race, the winner takes 10s to reach the finishing point. The average speed of the winner is ___________ ms-1

    (a)

    5

    (b)

    10

    (c)

    20

    (d)

    40

  8. If velocity of a body decreases in equal intervals of time is termed ______

    (a)

    uniform acceleration

    (b)

    non-uniform acceleration

    (c)

    negative acceleration

    (d)

    positive acceleration

  9. The velocity time graph is parallel to X-axis it shows _______

    (a)

    uniform velocity of an object

    (b)

    non-uiniform velocity

    (c)

    stationary position of an object

    (d)

    acceleration motion of an object

  10. Area under a velocity time graph gives ______

    (a)

    time taken by an object

    (b)

    distance travelled by an object

    (c)

    acceleration

    (d)

    retardation

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