Help in With this Question

Asked by topperpranav | 21st Dec, 2008, 11:29: PM

Expert Answer:

in air and water the speed of sound are different and they are related as

                 refractive index of water w. r. t. air = speed of sound in air / speed of sound in water

taking this into account you can calculate the time.

Answered by  | 22nd Dec, 2008, 10:54: AM

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