Navigate

dB is a standard abbreviation used for the quantitative expression of

dB is a standard abbreviation used for the quantitative expression of

Options

(a) the density of bacteria in a medium
(b) a particular pollutant
(c) the dominant Bacillus in a culture
(d) a certain pesticide

Correct Answer:

a particular pollutant

Explanation:

dB is a standard abbreviation for the quantitative expression of noise, Unwanted sound is called noise. Generally sound above 80 dB is noise.

AIPMT2010
admin:

Related Questions

  1. In his classic experiments on sea plants,Mendel did not use
  2. A certain patient is suspected to be suffering from Acquired Immuno Deficiency Syndrome
  3. How many plants in the list given below have marginal placentation
  4. Tendrils exhibit
  5. Recombination of the alleles of two genes A and B following crossing over will