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Q.

Is it true that intensity depends upon the sensitivity of the ear of the observer.


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a

True

b

False 

answer is B.

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Detailed Solution

The above statement is False.
Intensity is the amount of energy passing per second per unit area normal to the direction of energy flow. It does not depend upon the sensitivity of the ear. It is objective and can be measured by auditory equipment independent of an observer’s hearing. The unit of intensity is Wattm2 The correct statement would be intensity or loudness of sound depends upon the amplitude of vibration of the source , surface area of the vibrating body and the distance of the listener from the source.
 
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