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The ratio of intensities between two coh...

The ratio of intensities between two coherent sound sources is `4:1` the difference of loudness in decibels between maximum and minimum intensities, when they interfere in space, is

A

`20 log_(10)(3) `

B

`10 log_(10) (2)`

C

`20 log_(10)(2) `

D

`10 log_(10)(3)`

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The correct Answer is:
A
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