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Compare the intensity of light 2 meters away from a lit match to the intensity 6 meters away from the match.
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Compare the intensity of light 2 meters away from a lit match to the intensity 6 meters away from the match.

User Ed Gonzalez
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1 Answer

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The ratio of intensity to distance is an inverse square law so if you increase the distance by 3 times, the intensity will reduce by
3^(2) times

so the intensity will be 9 times less.
User Akshaya Natarajan
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