A helicopter is hovering at an attitude of 200m above the surface of the lake A speaker on the - Science - Air Water and Weather

Question

A helicopter is hovering at an attitude of 200m above the surface
of the lake A speaker on the helicopter is sending out sound waves
which is reflected from both of the surface of the lake and the
bottom of the lake if the difference in arrival times of the two
echoes is measured to be 0 24s what is the depth of the
lake?(atmospheric temperature is 20?C)

Prince Kumar · Accepted Answer