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Which wave characteristic determine the

a) loudness
b) pitch of sound
Draw two different waveforms and mark these characteristics.



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A) Loudness

It is determined by amplitude and sensitivity of ear.

B) Pitch

Pitch is determined by frequency.

Frequency is defined as the number of vibrations taken place in one second.

Higher the frequency higher will be the Pitch of the wave.

2 4 2
A) LOUDNESS : Determined by amplitude ( the maximum displacement from its mean point) .
B) PITCH : Determined by frequency ( the number of oscillations in one second).
Two types of waves are:- 
2 4 2
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