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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