What is the approximate wavelength in air of the lowest frequency sound that can be heard by a normal healthy person?
0.02 m0.02\text{ m}0.02 m
17 m17\text{ m}17 m
340 m340\text{ m}340 m
20 000 m20\,000\text{ m}20000 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.