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The intensity level of sound wave is said to be 4 decibel. If the intensity of wave is doubled, then the intensity level of sound

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The intensity level of sound wave is said to be 4 decibel. If the intensity of wave is doubled, then the intensity level of sound as expressed in decibel would be 

(a) 8 

(b) 16 

(c) 7 

(d) 14

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1 Answer

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Best answer

Correct option: (c) 7

Explanation:

Intensity doubles, dB level increases by 3 dB.

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