A research vessel sends a short pulse of ultrasound straight down into the sea

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

Problem

A research vessel sends a short pulse of ultrasound straight down into the sea. The echo is received after

1.8\,\text{s}

. If the speed of sound in seawater is

1500\,\text{m/s}

, calculate the depth of the seabed below the vessel. (a)

2700\,\text{m}

(b)

1800\,\text{m}

(c)

1350\,\text{m}

(d)

675\,\text{m}