What is meant by the timber of sound?
What is meant by the quality (or timbre) of sound ? On what factor does the quality (or timbre) of a sound depend ?
(a) What is meant by the (a) 'pitch' of sound, and (b) 'quality' of sound?
(b) What is ultrasound? State two uses of ultrasound.
Timber distinguishes a shrill sound from a flat sound of the same frequency.