1.

Calculate the change in intensity level when the intensity of sound increases by 10^(6) times its original intensity.

Answer»

SOLUTION :Here,
`(I)/(I_(0))=("Final INTENSITY")/("Original intensity")=10^(6)`
INCREASE in intensity level,
`:.L=10log_(10)((I)/(I_(0)))`
`=10log_(10)(10^(6))=10xlog_(10)(10^(6))`
`=10xx6xx1`
`impliesL=60` DECIBEL


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