A normal human being can hear sound having an intensity level of maximum ...................

50 dB

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80 dB

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100 dB

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150 dB

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Solution

The correct option is B 80 dB
Decibel levels help us to understand the loudness of a sound with respect to a reference level. A decibel level of zero dB represents the lowest level of sound and a level of 80 dB represents the level of pain for humans.

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