McqMate
Q. |
The unit of measurement of noise is – |
A. | Decibel |
B. | Hertz |
C. | Amplifier |
D. | Acoustics |
Answer» A. Decibel | |
Explanation: The decibel (dB) is the unit used to measure the intensity of sound or noise level. It is given in terms of a logarithmic function of a ratio of power intensities. One decibel is one tenth of one bel, named in honor of Alexander Graham Bell who was the inventor of the telephone and phonograph. |
View all MCQs in
PhysicsNo comments yet