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If the velocity of sound in air and in w...

If the velocity of sound in air and in water are 330 m/s and 1400 m/s. respectively. What will be the critical angle for refraction of sound going to water from air?

A

about `29^@`

B

about `13.6^@`

C

about `76.4^@`

D

no critical angle in this care

Text Solution

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The correct Answer is:
B
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