A research vessel emits an ultrasonic pulse straight down into seawater where the…

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

Problem

A research vessel emits an ultrasonic pulse straight down into seawater where the speed of sound is

1500\,\text{m/s}

. The echo from the sea bed returns after

2.4\,\text{s}

. What is the depth of the sea at that point? (a)

1500\,\text{m}

(b)

1800\,\text{m}

(c)

3600\,\text{m}

(d)

1200\,\text{m}