A student stands 495 m away from a large wall and claps their hands. The student hears the echo 3.0 s later.
What is the speed of sound in air?
165 m/s165\text{ m/s}165 m/s
330 m/s330\text{ m/s}330 m/s
343 m/s343\text{ m/s}343 m/s
1485 m/s1485\text{ m/s}1485 m/s
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.