Is the following statement true? The energy of three-dimensional waves decreases by a factor of 4 and the amplitude decreases by a factor of 2 when the distance from the point source doubles. Explain your answer.
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Is the following statement true? The energy of three-dimensional waves decreases by a factor of 4 and the amplitude decreases by a factor of 2 when the distance from the point source doubles. Explain your answer.
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