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Q.

Is it true that the level of steady noise is measured in decibels?


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a

True

b

False 

answer is A.

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Detailed Solution

The above statement is True.
If the loudness of the sound goes beyond 80 dB, it becomes noise. The term "loudness" describes how a person perceives the volume of a sound. The strength of the sound energy affects how loud a sound is. A measurement of the energy contained in sound waves is intensity. Therefore, the decibel is a measure of intensity (dB).
 
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