Answer:
Here, height through which the stone falls, h = 500 m
speed of sound, v = 340 m , g = 10 m
If t is the time taken by the stone to fall through h, then
Further, if t' is the time taken by sound (produced as a result of splashing) to travel to the top of the tower,
Time after which the splash is heard at the top of the tower = t + t' = 10 s + 1.47 s = 11.47 s
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