A) \[1\times {{10}^{-10}}W{{m}^{-2}}\]
B) \[1\times {{10}^{-12}}W{{m}^{-2}}\]
C) \[1\times {{10}^{-14}}W{{m}^{-2}}\]
D) \[1\times {{10}^{-16}}W{{m}^{-2}}\]
Correct Answer: B
Solution :
The minimum intensity that can be heard, called threshold of hearing \[({{I}_{0}})={{10}^{-12}}W{{m}^{-2}}\] at\[1\text{ }kHz\].
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