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Physics 914 MCQs [All-Courses]

Physics is a core science subject that deals with the study of matter, energy, motion, force, heat, light, electricity, magnetism, and modern physics concepts. It plays a vital role in competitive exams such as PPSC, FPSC, NTS, OTS, KPPSC, BPSC, AJKPSC, CSS, and PMS, where questions test conceptual understanding, numerical problem-solving, and application of laws and formulas.

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

A silence zone

B interference

C beats

D resonance

Review Detailed Answer

Correct Answer: beats

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

Review Detailed Answer

Correct Answer: 819°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

Review Detailed Answer

Correct Answer: 2000 to 4000 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

Review Detailed Answer

Correct Answer: decreases

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

Review Detailed Answer

Correct Answer: 0.61 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

Review Detailed Answer

Correct Answer: they require material medium for propagation

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

A refraction

B polarization

C interference

D diffraction

Review Detailed Answer

Correct Answer: polarization

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

A decreases

B increases

C remains the same

D any of above

Review Detailed Answer

Correct Answer: increases

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

A decreases

B increases

C remains unchanged

D becomes zero

Review Detailed Answer

Correct Answer: remains unchanged

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

A matter waves

B electromagnetic waves

C carrier waves

D mechanical waves

Review Detailed Answer

Correct Answer: mechanical waves

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Physics 914 MCQs [All-Courses]

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All Topics 914

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

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

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

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

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

Sound waves do not travel in vacuum because ___________________?

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

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

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

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