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Question

Select the medium, out of those given below, in which the speed of sound is maximum at a given temperature.


A

Hydrogen gas

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B

Air

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C

Steel

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D

Aluminum

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Solution

The correct option is D

Aluminum


The explanation for the correct option(s)

D: aluminum

  1. The speed of sound in aluminum is maximum compared to any other medium.
  2. The speed of sound in aluminum is 6420m/s

The explanation for the incorrect option(s)

  1. The speed of sound in air is approx 342m/s at room temperature.
  2. The speed of sound in steel is 5100m/s
  3. The speed of sound in hydrogen gas is 1320m/s

Hence, the correct option is D.


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