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    L is a point source of light. The intensity of the light at a distance $2x$ from $L$ is $I$. What is the intensity at a distance $3x$ from L?

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    HLPaper 1A

    L is a point source of light. The intensity of the light at a distance 2x2x2x from LLL is III. What is the intensity at a distance 3x3x3x from L?

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