One source emits a spherical sound wave uniformly in all directions. a second source emits a hemispherical sound wave, uniformly over all directions only in front of the source. both sources produce same total power. what is the ratio of intensity at some distance from the first source to that at twice that distance in front of second source?
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One source emits a spherical sound wave uniformly in all directions. a second source emits a hemisph...
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