A spherical source of power `4 W` and frequency `800 Hz` is emitting sound waves. The intensity of waves at a distance `200 m` isA. `8xx10^(-6) W//m^(2)`B. `2xx10^(-4) W//m^(2)`C. `1x10^(-4) W//m^(2)`D. `4W//m^(2)`

A spherical source of power `4 W` and frequency `800 Hz` is emitting s

1.	A spherical source of power `4 W` and frequency `800 Hz` is emitting sound waves. The intensity of waves at a distance `200 m` isA. `8xx10^(-6) W//m^(2)`B. `2xx10^(-4) W//m^(2)`C. `1x10^(-4) W//m^(2)`D. `4W//m^(2)`
Answer» Correct Answer - A

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A spherical source of power `4 W` and frequency `800 Hz` is emitting sound waves. The intensity of waves at a distance `200 m` isA. `8xx10^(-6) W//m^(2)`B. `2xx10^(-4) W//m^(2)`C. `1x10^(-4) W//m^(2)`D. `4W//m^(2)`

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