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Decibels

Loudness is m...

Question

Loudness is measured in which unit?

A

Hz

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B

dB

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C

m/s

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D

All of the above

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Solution

The correct option is B
dB

Loudness is expressed in a unit called decibel (dB). This is the measure of the intensity of the sound.

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Loudness of sound is measured in units of

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(c) Metre (m)
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Q. (i) Name the phenomenon involved in tuning a radio set to a particular station.
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(iii) What do you understand by loudness of sound?
(iv) In which units is the loudness of sound measured?

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