Physics · Illumination
According to the Inverse Square Law of Illumination, if the distance between the light source and the receiving surface is D, then the illumination (E) at that surface is proportional to:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11 / D2✓
- 21 / D
- 3D2
- 4D
Correct answer
1 / D2
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