Entry Test MCQ :: Waves

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The velocity of sound is greatest in

[A].	Water	[B].	air
[C].	copper	[D].	ammonia

Answer: Option C

Ahmad hasan said:

Copper is a solid and have high modulus of rigidity so it has greatest velocity of sound and water or air has very low.

roshan said:

bcz the speed of sound greater in solid and copper is solid