Q54 of 123 Page 254

Why are the voices of men, women and children different ?

The length of vocal chords varies in all these three, which is the main reason for different voices. Men have the longest vocal chords, while female have little shorter vocal chords than men and children have the smallest vocal chords.


More from this chapter

All 123 →
52

Describe how sound is produced by the human voice box (or larynx).

 53

What is the frequency of the sound produced when the vocal cords are:

(a) tight and thin ? (b) loose and thick?

 55

If you want to hear a train approaching from far away, why is it more convenient to put the ear to the track?

 56

State one observation from everyday life which shows that sound travels much more slower than light.