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Which of the following relations between loudness and intensity is correct?(a) I ∝ log L(b) I ∝ log L^2(c) L ∝ log I(d) L ∝ log I^2The question was asked in semester exam.Enquiry is from Acoustics topic in division Acoustics and Ventilation of Construction & Building Materials

Answer» CORRECT option is (c) L ∝ LOG I

The explanation is: Loudness is related to intensity by the relation L ∝ log I where L is the loudness and I is the intensity of sound. The loudness of a sound is the degree of sensation which depends on the intensity of sound and the sensitivity of eardrums while intensity is PURELY a physical QUANTITY.


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