Answers

2016-04-20T19:31:39+05:30
Sound can be measured in Decibels.
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2016-04-20T19:32:43+05:30
Loudness of Sound is measured in decibels (dB).

Frequency of Sound Waves is measured in Hertz (Hz).

Wavelength of Sound Wave is measured in metre (m).

Velocity of Sound is measured in metre per second (m/s).

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