Question

With reference to Noise pollution, what is the threshold limit for sensation of pain in the
Ear?
(1) 40 dB
(2) 80 dB
(3) 100 dB
(4) 120 dB

Answer 1

80 DB is the answer

Answer 2

threshold of pain is that level when noise become unbearable forlistener even cause damage to ear and brain. or may cause mental issues in a person who is always facing noise pollution.

so your answer is 120 dB. at 120 dB the sound pressure is 20 Pa which is the sensation limit of the pain in the ear.