What is the approximate value of the lowest frequency of sound that can be heard by a healthy young human?
2 Hz2\text{ Hz}2 Hz
20 Hz20\text{ Hz}20 Hz
200 Hz200\text{ Hz}200 Hz
2000 Hz2000\text{ Hz}2000 Hz
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.