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The intensity...

Question

The intensity level of sound having intensity $I$ is defined in term of $I_{0}$ . The threshold intensity of hearing is

Intensity level =

\frac{I}{I_{0}}

decibels

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Intensity level =

I \times I_{0}

decibels

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Intensity level =

\frac{I}{I_{0}} \times 100

decibels

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Intensity level =

10 {log}_{10} (\frac{I}{I_{0}})

decibels

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Solution

The correct option is B Intensity level = $10 {log}_{10} (\frac{I}{I_{0}})$ decibels
The intensity level of sound having intensity I is defined in term of $I_{0}$ . The threshold intensity of hearing is $I_{d B} = 10 {log}_{10} (\frac{I}{I_{0}})$ .

Suggest Corrections

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