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A sound absorber attenuates the sound level by 20 dB.the intensity decreases by a factor of a)10000 b)10 c)1000 d)100

A sound absorber attenuates the sound level by 20 dB.the intensity decreases by a factor of
a)10000
b)10
c)1000
d)100

Grade:

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
3 years ago
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Vikas TU
14149 Points
3 years ago
576-610_ss.PNG
Dear student 
Please refer the clear image , 
The image above does not looks good , it is blurr.
Hope for the best 
Good Luck 
Cheers 
 

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