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If the volume elasticity of fresh water ...

If the volume elasticity of fresh water and sea water are assumed to be the same, it is necessary that for the velocity of sound to be the same

A

fresh water must be a hihger temperature

B

sea water must be at a higher temperautre

C

both must be at same temperature

D

fresh water must have higher refractive index

Text Solution

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The correct Answer is:
B
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