In which of the following medium speed of the sound is maximum?
A
Steel
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B
Wood
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C
Water
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D
Air
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E
Helium
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Solution
The correct option is B Steel Sound is a longitudinal wave. It propagates by pushing the material medium particles present. The speed of sound depends on the density of the medium through which it is travelling. The higher the density of the medium, the faster is the propagation of sound.
Since density of steel is highest among the other given options, the speed of sound is maximum in steel.