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

Which law of motion is also called law of inertia ?

A. 1st law

B. 2nd law

C. 3rd law

D. all 1st, 2nd and 3rd laws

Slope of velocity time graph is_____________________?

A. acceleration

B. distance

C. force

D. momentum

When velocity time graph is a straight line parallel to time axis then__________________?

A. acceleration is const

B. acceleration is variable

C. acceleration is zero

D. velocity is zero

A body is moving with uniform velocity. Its______________________?

A. speed changes

B. acceleration changes

C. direction of motion changes

D. displacement from origin changes

Why Ballistic missile fails in some circumstances of precision ?

A. due to their shape

B. due to air resistance

C. due to angle of projection

D. all of these

Time rate of change of momentum is equal to____________________?

A. force

B. impulse

C. velocity

D. both A and C

At which angle the range of the projectile is maximum____________________?

A. 45

B. 60

C. 30

D. none

Flight of a rocket in the space is an example of______________________?

A. second law of motion

B. third law of motion

C. first law of motion

D. law of gravitation

Distance covered by a freely falling body in 2 seconds will be__________________?

A. 4.9 m

B. 19.6 m

C. 39.2 m

D. 44.1 m

What is the angle of projection for which the range and maximum height become equal ?

A. tan-1 ¼

B. tan-1 4

C. tan-1 ½

D. tan-1 2

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