Question

12. A man stands at a distance of 168 metres from a high wall. He produces a sound and hears the echo after
1 second. Calculate the speed of sound in air.​

Answer 1

A man stands at a distance of 112 m from a vertical wall. On blowing a whistle, he hears the echo 0.7 sec. What will be the speed of sound in air?

ANSWER

Here, the distance traveled by the sound in 0.7 sec is S=2×112=224m

Using, S=vt, v=S/t=224/0.7=320m/s

Answered By

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