Loudness of sound is measured in units of
(a) decibel (dB) (c) metre (m)
(b) hertz (Hz) (d) metre/second (m/s)
NCERT Class VIII
Science - Exemplar Problems
Chapter 13. Sound
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Loudness of sound is measured in units of Decibel
201301:
It is measured by decibel
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Loudness of sound is measured in units of - ( a ) Decibel
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