what difference will you hear in a sound if there is an increase in

a)amplitude of vibration

b) frequency of vibration

a) if there is an increase in the amplitude of vibration then the sound produced becomes louder.

b) if the frequency of vibration increases then the pitch of the sound is high/the sound produced is high pitched

this is because loudness of the sound depends on its amplitude so if the amplitude increases then the sound is loud and if the amplitude is decreased then the sound is relatively softer. in the same way if the frequency is increased then the sound is high pitched and if the frequency decreases the sound is low pitched. Hope it helped.

Experts plz giv thumbs up.

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