Question

Velocity of sound in air is 332 m s−1. Its velocity in vacuum will be
(a) > 332 m s−1
(b) = 332 m s−1
(c) < 332 m s−1
(d) meaningless.

Answer 1

Answer:

d) Meaningless

Explanation:

The reason behind this is----

Sound waves need medium to propogate but vaccum is not of such sort,hence sound waves can't propogate through vaccum.

So it is meaningless to determine the velocity of sound in vaccum rather than calculating as zero(0) and then assigning it as less than 332 m/s.

Answer 2

Velocity of sound in air is 332 m s−1. Its velocity in vacuum will be  meaningless.

Explanation:

• The speed of sound in a vacuum is zero meters per second because the sound cannot move in a vacuum.
• Sound is a wave, which means it is transmitted by the vibration of particles in a medium such as water or air.
• Because the vacuum is a space, there is no medium through which sound can move.

Therefore Velocity of sound in air is 332 m s−1. Its velocity in vacuum will be meaningless. The correct answer is Option (d)