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Intensity level of a sound of intensity I is 30 dB. The ratio I / I0 is (where I0 is the threshold of hearing)

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Intensity level of a sound of intensity I is 30 dB. The ratio I / I0 is (where I0 is the threshold of hearing) 

(a) 3000 

(b) 1000 

(c) 300 

(d) 30

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1 Answer

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Best answer

Correct option: (b) 1000

Explanation: 

We know that

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