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Byju's Answer
Standard IX
Physics
Intensity of Sound
Loudness of a...
Question

Loudness of a sound is measured in_________.

A
hertz
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B
decibel
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C
metre
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D
metre per second
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Solution

The correct option is B decibel
The loudness of sound is measured in the unit of decibel (dB). The more the amplitude of a sound wave, the louder the sound is.

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