The intensity of sound produced by roaring of a lion at a distance of – McqOptions

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1.	The intensity of sound produced by roaring of a lion at a distance of 5m is 0.01W/m². Calculate the intensity level in decibel.
A.	1dB
B.	11dB
C.	100dB
D.	20dB
Answer» D. 20dB

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