. Loudness of sound is measured in units of
(a) decibel (dB)
(b) hertz (Hz)
(c) metre (m)
(d) metre/second (m/s)
Best Answer
Ans. (a) decibel (dB)
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(a) decibel (dB)
(b) hertz (Hz)
(c) metre (m)
(d) metre/second (m/s)
Ans. (a) decibel (dB)