Q. Decibel (dB) is a standard abbreviation used for the quantitative expression of
A) The density of bacteria in a medium
B) A particular pollutant
C) The dominant Bacillus in a culture
D) A certain pesticide
Explanation
Noise pollution is a physical form of pollution that affects the receiver directly. dB (decibel) is a standard abbreviation used for the quantitative expression of noise.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.