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Question : We havegot used to associatingloud soundswith pleasure andentertaimentnot realisingthatnoise causepsychological andphysiologcal disorders in humans . Comment on thevariousill effectss of noisein human .

Answer»

SOLUTION :i. A brief exposureto extremely high sound LEVEL 150 dB or more maydamageear eardrums.
ii. Chronicexposureto a relativelylowernoiselevelof CITIES may permanently and stress.
iii.Noisealso causes sleeplessness, increased heart BEATING ,altered breathing pattern and stress.


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