NEET Class neet Answered
A stone is dropped into a well in which the level of water is
h below the top of the well. If
v is velocity of sound, the time
T after which the splash is heard is given by
Asked by divyamahaver2506 | 28 Jan, 2024, 05:54: PM
Expert Answer
Time duration t1 for the stone to travel from top of well to water surface is determined
from the equation of motion " h = u t + (1/2) g t2 " , where h is the distance between top of well and
water surface , u = 0 is initial velocity because the stone is dropped and g is acceleratio due to gravity .
Hence ,
Time duration t1 for the sound to travel from water surface to top of well is determined
time t2 = distance / speed = ( h / v )
Hence total time = t1 + t2 = 
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