A point source is kept at a distance of 1000m has an illumination I. To change the illumination to 16I the new distance should become.

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A point source is kept at a distance of 1000m has an illumination I. To change the illumination to 16I the new distance should become.
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Nov
A point source is kept at a distance of 1000m has an illumination I. To change the illumination to 16I the new distance should become. A point source is kept at a distance of 1000m has an illumination I. To change the illumination to 16I the new distance should become. November 13, 2020 Category: AIIMS [...]
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