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Volume or Loudness

The amplitude...

Question

The amplitudes of the sound waves reaching person A and B are 5 units and 10 units, respectively. Who, among A and B, hears louder sound?

A

Person A

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B

Person B

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C

Both hear equally loud sound.

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D

Depends on the distance from the source.

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Solution

The correct option is B Person B
The loudness of the sound depends on the amplitude of the sound wave. Higher the amplitude of the sound wave, louder the sound. Therefore, person B hears louder sound.

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