SSC SSC MTS & Havaldar Mock Test Series 2024 General Science Physics

Which one of the following options correctly arranges lighting devices in order of increasing energy efficiency? 

1
Incandescent bulb < CFLs < Tubelight < LEDs
2
Incandescent bulb < Tube light< LEDs < CFLs
3
Tube light< Incandescent bulb < LEDs < CFLs
4
Incandescent bulb < Tube light< CFLS < LEDs
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