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 periodic alternation of sound between maximum and minimum loudness are called___________________?

A. silence zone

B. interference

C. beats

D. resonance

The velocity of sound in air would become double than its velocity at 0°C at temperature________________?

A. 313°C

B. 586°C

C. 819°C

D. 1172°C

The normal ear is the most sensitive in the frequency range___________________?

A. 20000 to 30000 hertz

B. 10 to 20 hertz

C. 2000 to 4000 hertz

D. 6000 to 8000 hertz

On loading the prong of a tuning form with wax its frequency____________________?

A. increases

B. decreases

C. remains unchanged

D. may increase or decrease

Increase in velocity of sound in the air for 1°C rise in temperature is_________________?

A. 1.61 ms-1

B. 61.0 ms-1

C. 0.61 ms-1

D. 2.00 ms-1

Sound waves do not travel in vacuum because ___________________?

A. they are transverse waves

B. they are stationary waves

C. they require material medium for propagation

D. they do not have enough energy

It is possible to distinguish between transverse and longitudinal waves form the property of __________________?

A. refraction

B. polarization

C. interference

D. diffraction

If stretching force T of wire increases, then its frequency __________________?

A. decreases

B. increases

C. remains the same

D. any of above

When two identical traveling waves are superimposed, the velocity of the resultant wave__________________?

A. decreases

B. increases

C. remains unchanged

D. becomes zero

The waves that require a material medium for their propagation are called__________________?

A. matter waves

B. electromagnetic waves

C. carrier waves

D. mechanical waves

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