Physics · Illumination
Which of the following arrangements is correct in increasing order of their luminous efficiency?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1Mercury iodide < Carbon-Arc < Halogen < Incandescent
- 2Incandescent < Halogen < Carbon-Arc < Mercury iodide✓
- 3Mercury iodide < Halogen < Carbon-Arc < Incandescent
- 4Carbon-Arc < Incandescent < Halogen < Mercury iodide
Correct answer
Incandescent < Halogen < Carbon-Arc < Mercury iodide
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