A marine exploration vessel sends a sonar pulse straight down towards the seabed. The sound travels through the seawater, reflects off the sea floor, and returns to the vessel's receiver after 1.6 s. The speed of sound in seawater is 1500 m/s.
How deep is the seabed below the vessel?
600 m600\text{ m}600 m
1200 m1200\text{ m}1200 m
2400 m2400\text{ m}2400 m
4800 m4800\text{ m}4800 m
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.