A boy standing near a vertical cliff claps his hands and hears the echo after 3.2 s

PHYSICS · Single correct · CBSE · Physics · Sound · Sound

Problem

A boy standing near a vertical cliff claps his hands and hears the echo after 3.2 s. If the speed of sound in air is

340\,\text{m/s}

, how far is the boy from the cliff? (a)

528\text{ m}

(b)

1088\text{ m}

(c)

544\text{ m}

(d)

272\text{ m}