Question

13. The speed of sound in air is 340 m/s and in water is 1450 m/s. An observer is standing on a sea
shore and a source produces a sound. If it takes 4 sec for to reach the observer from a point in
air Find
1) distance of observer from the source
ii) and time taken for the sound to reach the observer if source is taken inside water by the same
distance as it was in air . (Non-anonymous question o)​

Answer 1

Answer:

I take 10 minute for its answer 13785