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The intensity of sound from a point sour...

The intensity of sound from a point source is `1.0 xx 10^(-8) W//m^2` at a distance of 5.0m from the source. What will be the intensity at a distance of 25m from the source?

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`4.0 xx 10^(-10) W//m^2`
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Knowledge Check

  • lf the distance between the source & absorber is halved then Intensity of radiant energy will be

    A
    Doubled
    B
    Quadrupled
    C
    Halved
    D
    increased to 16 times

  • If the distance between the source & absorber is halved then Intensity of radiant energy will be

    A
    Doubled
    B
    Quadrupled
    C
    Halved
    D
    increased to 16 times

  • The ratio of intensities of radiation at distances of R and 3R from a spherical source will be

    A
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