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What is The acceptable noise level that can be tolerated without any damage to hearing is: March 2009 and explain in detail?
Ans. A: 85 dBSound pressure is measured in decibels (dB).The average person can hear sounds down to about 0 dB, the level of rustling leaves.If a sound reaches 85 dB or stronger, it can cause permanent damage hearing.With extended exposure, noises that reach a decibel level of 85 can cause permanent damage to the hair cells in the inner ear, leading to hearing loss.