Sound differs from light in that sound _?

D. Is a longitudinal wave rather than a transverse wave

B. Is a transverse wave rather than a longitudinal wave

C. Travels faster than light in a vacuum

D. Is a longitudinal wave rather than a transverse wave

Everyday Science · Physics in Everyday Life · page 17 of 21

Sound & Acoustics MCQs with Answers

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Sound & Acoustics MCQs (161–170)

10 MCQs with answers and a short one-liner. Hide answers to test yourself.

Past paper MCQs in this chapter · See all past papers

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161.
A tuning fork has a frequency of 300 Hz and produces a sound wave with a wavelength of 4 feet. What is the velocity of sound in air?
Correct Answer: A. 1200 ft/sec
One-liner
The velocity of sound in air is 1200 ft/sec, calculated using the formula v = f × λ (300 Hz × 4 ft).
162.
The speed of sound is maximum through which of the following?
Correct Answer: C. Glass
One-liner
The speed of sound is maximum through glass because sound travels fastest in solids due to closely packed particles.
163.
The speed of sound waves is 8 m/sec and the wavelength is 2.5 m. The frequency of this wave will be _?
Correct Answer: A. 3.2 Hz
One-liner
The frequency of the wave is 3.2 Hz, calculated using the formula f = v/λ (8 ÷ 2.5 = 3.2).
164.
Past Paper MCQ
A sound is which type of wave?
Correct Answer: D. Mechanical wave
One-liner
Sound is a mechanical wave because it requires a material medium (solid, liquid, or gas) to travel and cannot propagate through a vacuum.
165.
Sound differs from light in that sound _?
Correct Answer: D. Is a longitudinal wave rather than a transverse wave
One-liner
Sound differs from light in that sound is a longitudinal wave rather than a transverse wave.
166.
The frequency of sound is measured in ?
Correct Answer: D. Hertz
One-liner
The frequency of sound is measured in Hertz (Hz).
167.
Sound waves cannot be ?
Correct Answer: D. Polarized
One-liner
Sound waves cannot be polarized because polarization is a property exclusive to transverse waves, whereas sound waves are longitudinal waves.
168.
When two identical waves move in opposite directions, they give rise to?
Correct Answer: C. Stationary waves
One-liner
When two identical waves move in opposite directions, they give rise to stationary waves (also called standing waves).
169.
Sound travels slowest in which one of the following?
Correct Answer: B. Air
One-liner
Sound travels slowest in air because it is a gas with loosely packed molecules, making vibration transfer less efficient than in liquids or solids.
170.
The wave velocity in any medium depends upon?
Correct Answer: D. All of these
One-liner
Wave velocity in any medium depends upon all of these — elasticity, density, and temperature of the medium.

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Sound & Acoustics MCQs with Answers

Sound & Acoustics MCQs (161–170)

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