A brief exposure to 150 dB sound may

Q. Which of the following exposure may lead to permanently impairing/damaging hearing abilities of humans?

Q. Assertion :A brief exposure to extrernely 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.

Q. Which of the following are true for noise pollution?
a) Noise pollution is unpleasant and discomforting.
b) Noise pollution can cause health problems.
c) Long term exposure to loud noises can cause temporary or ever permanent hearing impairment.

Q. Assertion :Hearing aids help the hearing impaired to hear. Reason: The male sound travel through skull bones.

Q. State whether given statement is True or False
Noise pollution can cause partial hearing impairment.