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 mass attached to a spring executes ?

A. Vibratory motion

B. Rotatory motion

C. S.H.M

D. Both A and C

In damped harmonic oscillation which one decreases ?

A. Amplitude of vibration

B. Energy of vibration

C. Both amplitude and energy

D. Neither amplitude nor energy

When K.E energy of SHM is maximum its__________________?

A. P.E is zero

B. Acceleration is zero

C. Restoring force is zero

D. All P.E acceleration and restoring force are zero

Total distance travelled by a bob of the simple pendulum in one vibration is equal to________________?

A. Amplitude

B. Square of the amplitude

C. 2 x amplitude

D. 4 x amplitude

Electrical resonance is observed in_______________?

A. Radio

B. Microwave oven

C. Both in radio and microwave oven

D. Neither in radio nor in a microwave oven

The natural frequency of simple pendulum depends upon_______________?

A. It’s mass

B. It’s length

C. Square of its length

D. The square root of its length

The sharpness of resonance is__________________?

A. Directly proportional to the damping force

B. Inversely proportional to the damping force

C. Equal to the square of damping force

D. Equal to the square of damping force

The phase of SHM describes________________?

A. Displacement only

B. The direction of motion only

C. Both displacement and direction of motion

D. Neither displacement nor direction of motion

The restoring force acting on the simple pendulum is given by_______________?

A. mg sin θ

B. mg sin θ

C. mg cos θ

D. mg cos θ

Which one does not work according to resonance ?

A. T.V

B. Radio

C. Microwave oven

D. Bulb

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