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

For what displacement the P.E becomes 1/4 of its maximum value ?

A. x = x’

B. x = x’/2

C. x = x’/4

D. x = x(2)’/2

The displacement of SHM is written as X = X`sinθt if the displacement is written by X = Xθ sont then phase constant will be equal to_______________?

A. 0°

B. 45°

C. 90°

D. 180°

The length of the second pendulum is_________________?

A. 100 cm

B. 99 cm

C. 99.2 cm

D. 98 cm

The product of the frequency and time period is equal to_________________?

A. 1

B. 2

C. 3

D. 4

The energy of SHM is maximum at_______________?

A. Mean position

B. Extreme position

C. In between mean and extreme

D. All positions during SHM

A simple pendulum suspended from the ceiling of a lift has time period T when the lift is at rest. When the lift falls freely, the time period is_________________?

A. Infinite

B. T/g

C. Zero

D. g/T

When the amplitude of a wave becomes double its energy become_________________?

A. Double

B. Four times

C. One half

D. None time

The SI unit of force constant is identical with that of__________________?

A. Force

B. Pressure

C. Surface tension

D. Loudness

Simple harmonic motion is a type of________________?

A. Rotational motion

B. Circular motion

C. Musical arrangement

D. Vibratory motion

The frequency of the second pendulum is________________?

A. 1 hertz

B. 0.5 hertz

C. 1.5 hertz

D. 2.5 hertz

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