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Question 3

A pulse of sound is produced by a sonar system at the bottom of a ship. The sound waves travel through the seawater, reflect off the ocean floor, and return to the ship 1.8 s after being emitted. The speed of sound in seawater is 1500 m/s.

How far below the ship is the ocean floor?

A

675 m675\text{ m}675 m

B

1350 m1350\text{ m}1350 m

C

2700 m2700\text{ m}2700 m

D

5400 m5400\text{ m}5400 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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