A student stands 240 m in front of a flat, vertical cliff and makes a sharp, loud sound.
A digital timer records the echo of the sound returning 1.6 seconds1.6\text{ seconds}1.6 seconds after the sound was made.
Based on this measurement, what is the speed of sound?
150 m/s150\text{ m/s}150 m/s
300 m/s300\text{ m/s}300 m/s
384 m/s384\text{ m/s}384 m/s
768 m/s768\text{ m/s}768 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.