Name the characteristic of sound which enables us to distinguish between a man's voice and a woman's voice even without seeing them.

On what factor does the pitch of a sound depend?

How is pitch related to frequency?

Arrange the following sounds in the order of increasing frequencies (keeping the sound of lowest frequency first) :

(i) Baby's voice

(ii) Man's voice

(iii) Woman's voice

Which produces sound of a higher pitch : a drum or a whistle?