In which medium does sound travel fastest?
(a) air
(b) water
(c) steel
(d) vacuum

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Solution

(c) steel

The molecules of steel are much more closely packed compared to that of air, water and vacuum. So, molecular vibrations pass quite quickly in steel. Consequently, sound travels fastest in steel.

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Similar questions

In which medium sound travels fastest: air, water or steel?

The correct statement is :

(a) Sound and light both require medium for propagation

(b) Sound can travel in vacuum, but light can not

(d) Sound and light both can travel in vacuum.

In which of the following mediums does sound travel fastest at a particular temperature?

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