CAIE IGCSE Physics 3.4.5 Speed of Sound in Air Is Approximately Questions

Practise recalling the speed of sound in air and applying it to delays between visible events and the sound heard later.

Exam points

State a typical sound speed in air of 330–350 m/s, calculate distance or time delay with v = s/t, and compare sound speeds in air and water while explaining why light or smoke is observed first.

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State the approximate speed of sound in air.
speed =
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$330 \mathrm{~m} / \mathrm{s} \leqslant$ speed $\leqslant 350 \mathrm{~m} / \mathrm{s}$

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