Q17 of 34 Page 227

Mention the frequency of sound produced when the vocal cords are (a) tight and thin, (b) loose and thick.

When the vocal cord is


a) tight and thin: the sound produced is of high frequency or it is of high pitch.


b) loose and thick: the sound produced is of low frequency or low pitch.


More from this chapter

All 34 →
15

Draw a labelled diagram of larynx and explain its functions.

 16

Draw a neat labelled diagram of human ear and explain its working.

 18

Define vibrations and frequency with examples.

 19

Sound produced by a stretched wire is due to vibrations. Show by an activity.