Q37 of 123 Page 253

On what factor does the pitch of a sound depend?

The pitch of a sound depends on the frequency of the sound.


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35

Name the unit used to measure the loudness of sound. Also write its symbol.

 36

What is the loudness of a normal conversation in decibels ?

 38

How is pitch related to frequency?

 39

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