Speed of sound in air is 330 m s-1 and in water i 1650 m s-1. It takes 2.5 second for sound to reach from one place to another. How much time will it take for sound to reach the same distance in water

Dear Student,

We know that, v= S/t  or  S = vt (1) (s -distance, v- velocity and t=time)

In the given problem sound has to travel the same distance in both medium i.e., vata  =  vwtw

tw =  (vata)/vw    =  (330 × 2.5) / 1650 = 0.5 s

Thus solved 


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