1.

A pebble is dropped freely in a well from its top. It takes 20sec for the pebble to reach the watersurface in the well. Taking g = 10 m/s2 and speed of sound = 330 m/s ,Find i) the depth of water surface ii) the time when echo is heard after the pebble is dropped​

Answer»

Answer:

25 MM YSS after the PEBBLE is droped



Discussion

No Comment Found

Related InterviewSolutions