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Question 189

A sonar system on a submarine sends a pulse of sound vertically downwards towards the seabed. The submarine detects the reflected wave (echo) 2.4 s later.

The speed of sound in seawater is 1500 m/s.

What is the depth of the seabed below the submarine?

A

900 m900\text{ m}900 m

B

1800 m1800\text{ m}1800 m

C

3600 m3600\text{ m}3600 m

D

7200 m7200\text{ m}7200 m

Markscheme

Sound Questions

  1. IGCSE
  2. /Physics
  3. /Sound

295 exam-style questions on CIE IGCSE Physics Sound, covering Sound. Each one has a worked solution and a mark scheme showing where the marks go.

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