Question
The unit of measurement of noise is –
Solution
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.
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Select the option that is related to the third term in the same way as the second term is related to the first term.
Kilogram : Mass :: Kilometre...
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