An ultrasonic pulse sent straight down into the sea is received back after

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

Problem

4.0\,\text{s}

. Take the speed of sound in seawater as

1500\,\text{m s}^{-1}

. Calculate the depth of the sea at that point. (a)

3750\,\text{m}

(b)

3000\,\text{m}

(c)

1500\,\text{m}

(d)

6000\,\text{m}