Q. What is the noise level of normal conversation?
A. About 60 dB
B. About 70 dB
C. About 80 dB
D. About 90 dB
Ans. (A) A sound’s loudness is measured in decibel (dB). Noise level of normal conversation is about 60 dB.
What is the noise level of normal conversation?
Q. What is the noise level of normal conversation?
A. About 60 dB
B. About 70 dB
C. About 80 dB
D. About 90 dB
Ans. (A) A sound’s loudness is measured in decibel (dB). Noise level of normal conversation is about 60 dB.