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Assertion (A) : Inhabitants close to ver...

Assertion (A) : Inhabitants close to very busy airports are likely to experience health hazards.
Reason (R) : Sound level of jet aeroplanes usually exceeds 160 dB.

A

Both Assertion and Reason are true, but Reason is the correct explanation of Assertion

B

Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion

C

Assertion is true, but Reason is false

D

Assertion is false, but Reason is true

Text Solution

Verified by Experts

The correct Answer is:
B
Prolonged exposure to noise level to 80 dB or more leads to the loss of hearing ability, fatigue, nervousness, fever, hypertension, gastric disorder, increase in cholesterol level and dilation of pupil of the eye. As the jet aeroplanes have the noise upto 150-160 dB, the inhabitants in the vicinity of busy airports are likely to experience the health hazards. Maximum noise level is recorded in rockets is 180 dB.
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Assertion : A brief expoosure to extremely high sound level, 150dB or more generated by take off of a jet plane or rocket, may damage ear drum or dislocate ear ossicles and permanently impair the hearing ability. Reason : In India, the Air (Prevention and Control of Pollution ) Act came into force in 1981, but was amended in 1987 to include noise as an air pollutant.

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