A research vessel sends a sound pulse into the sea and receives the echo after

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

Problem

1.20\,\text{s}

. Take the speed of sound in seawater as

1500\,\text{m/s}

. Calculate the depth of the reflecting surface below the vessel. (a)

450\,\text{m}

(b)

206\,\text{m}

(c)

900\,\text{m}

(d)

1800\,\text{m}