Compare the salient features of LED and CFL based on: i] Lamp Efficiency ii] Life span

 Compare the salient features of LED and CFL based on: i] Lamp Efficiency ii] Life span 
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1 Answer

Answer :

Parameter
LED
CFL
Lamp Efficiency 
High (more than 70 lumen per watt)
Comparatively less (50-60 lumen per watt)
Life span (in working hours)
10000
3000
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