What is meant by amplitude in the context of sound ?

What is meant by an oscillation in the context of sound ?

What is meant by audible sound?

What is the effect of amplitude, on the speed of sound in air ?

What is meant by the quality (or timbre) of sound? On what factor does the quality (or timbre) of a sound depend?

What is meant by sound ranging ? Give one use of sound ranging,

(a) What is meant by the 'loudness' of sound? On what factor does the loudness of a sound depend? (b) Draw labelled diagrams to represent (a) soft sound, and (b) loud sound, of the same frequency.