Physics MCQs

852 MCQs  (Page 72 of 86)

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Waves transmit ________________ from one place to another?
A. Energy
B. Mass
C. Both
D. None
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The distance between any two consecutive crests or troughs is called____________________?
A. Frequency
B. Period
C. Wave length
D. Phase difference
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Momentum depends upon__________________?
A. Force acts on the body
B. Mass of the body
C. Velocity of the body
D. Both mass and velocity of the body
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When a body moves in a straight line then its displacement coincides with__________________?
A. Distance
B. Force
C. Acceleration is zero
D. Both a and b
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Motorcycle safety helmet extends the time of collision hence decreasing the________________?
A. Chance of collision
B. Force acting
C. Velocity
D. Impulse
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During long jump, athlete runs before taking the jump. By doing so he__________________?
A. Provide him a larger inertia
B. Decreases his inertia
C. Decreases his momentum
D. Increases his momentum
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When collision between the bodies in a system is inelastic in nature then for system ____________________?
A. Momentum changes but k.e remain conserve
B. K.e changes but momentum remain conserve
C. Both momentum and k.e changes
D. Both momentum and k.e remain conserve
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The acceleration in the rocket at any instant is proportional to the nth power of the velocity of the expelled gases. Where the value of n must be ?
A. -1
B. 1
C. 2
D. -2
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Which of the following is not an example of projectile motion ?
A. A gas filled ballon
B. Bullet fired from gun
C. A football kicked
D. A base ball shot
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Time rate of change of momentum is equal to____________________?
A. Force
B. Impulse
C. Velocity
D. Both a and c
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Word of the Day
23 Jul
Aisle
a passage between rows of seats in a building such as a church or theatre, an aircraft, or train.
طویل تنگ راستہ، نشتوں کے درمیان راستہ

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