Question

A girl stands at a distance of 170 m in front of a high wall and claps. What will be the time interval when she hears its echo? [Speed of sound = 340 m/s]

Answer 1

Answer:

This answer will help you

Answer 2

Answer:

1 second

Explanation:

speed=distance / time

time = distance/speed

=340 / (170+170)

340/340=1