Question:
dB is a standard abbreviation used for the quantitative expression of
dB is a standard abbreviation used for the quantitative expression of
Updated On: Jul 12, 2022
- A particular pollutant
- The dominant Bacillus in a culture
- A certain pesticide
- The density of bacteria in a medium
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The Correct Option is A
Solution and Explanation
Unwanted sound is called noise and it is measured in terms of decibels (dB). Generally sound above 80 dB is noise.
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