Physics MCQs: Most Important Questions for Exams

McqsTestz.com has uploaded a comprehensive collection of Physics MCQs covering a wide range of topics including mechanics, thermodynamics, electromagnetism, optics, modern physics, waves, fluids, and more. Perfect for students preparing for exams such as matriculation, intermediate, competitive tests, Lecturer and university-level assessments.

Physics MCQs

The thrust on the rocket in the absence of gravitational force of attraction is__________________?

A. Constant

B. not constant

C. constant if the rate of ejected gases is constant

D. constant for short range rocket.

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

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

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

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

Motorcycle safety helmet extends the time of collision hence decreasing the________________?

A. chance of collision

B. force acting

C. velocity

D. impulse

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

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

2nd law of motion gives the definition of________________?

A. force

B. acceleration

C. velocity

D. both force and acceleration

Newtons laws do not hold good for particles_______________?

A. at rest

B. moving slowly

C. move with high velocity

D. move with velocity comparable to velocity of light

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