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If the amplitude of a wave is doubled, what will be the effect on its loudness? - Physics

Short Note

If the amplitude of a wave is doubled, what will be the effect on its loudness?

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Solution

The loudness of sound is directly proportional to the square of the amplitude of waves.
Loudness α (amplitude)When the amplitude is doubled loudness becomes ( 2 )2 = 4 times

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APPEARS IN

Selina Concise Physics Class 8 ICSE
Chapter 7 Sound
Short/Long Answer questions | Q 9 | Page 136
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