Physics · Illumination
The term 'lamp efficiency' is defined as the ratio of:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Total emitted luminous flux to total surface area of the lamp
- 2Total emitted luminous flux to total lamp power input✓
- 3Total lamp power input to total emitted luminous flux
- 4Total emitted light flux to total lamp weight
Correct answer
Total emitted luminous flux to total lamp power input
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