Question

A boy hears an echo of his own voice from a distant hill after one second . The speed of sound in air is 330 m/s . What is the distance of hill from the body ?

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Answer 1

Answer:

1m

Explanation:

dont know correctly.it can be right or wrong

Answer 2

Answer:

Let distance of hill form the position of the boy is d.

Echo is heard after 1 second.

Speed of sound in the air = 330 m/s

So, distance = velocity of sound × t / 2

d = 330 × 1 / 2

d = 165 m.