At what level a sound becomes physical pain?
Q. At what level a sound becomes physical pain?
A. Above 50 dB
B. Above 70 dB
C. Above 80 dB
D. Above 100 dB
Answer: Above 80 dB
A. Above 50 dB
B. Above 70 dB
C. Above 80 dB
D. Above 100 dB
Answer: Above 80 dB