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    A 20 dB increase in noise level represents an enhancement in intensity of sound by a factor of
    Question



    A 20 dB increase in noise level represents an enhancement in intensity of sound by a factor of

    A.

    2

    B.

    5

    C.

    100

    D.

    20

    Correct option is C


    A decibel (dB) is a logarithmic unit used to express sound intensity. The formula for calculating the ratio of sound intensity levels in decibels is:

    Information Booster Understanding Decibels and Sound Intensity:
    · Decibels (dB): A logarithmic unit to measure sound levels, used to quantify the relative difference in sound power or intensity.
    · Sound Intensity Relationship: Every increase of 10 dB represents a tenfold increase in intensity. Thus, 20 dB corresponds to
    · Human Perception: Although sound intensity increases by a factor of 100, our ears perceive it as about four times louder due to the logarithmic nature of sound perception.

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