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What amount of noise may damage eardrums thus permanently impairing hearing ability?(a) 10 dB(b) 150 dB(c) 15 dB(d) 50 dBI have been asked this question at a job interview.Origin of the question is Environmental Issues topic in chapter Environmental Issues of Biology – Class 12

Answer»

Right option is (b) 150 dB

Explanation: An UNDESIRED unpleasant loud or high level of sound that causes disturbance is called noise. Almost 150 dB of noise may DAMAGE eardrums thus permanently impairing hearing ability. It may also cause sleeplessness, INCREASED heartbeat, and altered breathing patterns in humans.



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