Physics · Illumination
As per the principles of street lighting installations, which of the following laws/methods is commonly used to calculate the illumination at any specific point on the road surface from a point source?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Light flux method
- 2Inverse-square law method✓
- 3Specular reflection method
- 4Watt per square metre method
Correct answer
Inverse-square law method
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