Question

. A 15 watt LED lamp ‘A’ delivers 100 lumen per watt and another 100 watt incandescent
lamp ‘B’ delivers 15 lumen per watt. A room is to be provided with lighting. Which type
of lamp will you prefer?
a) Lamp A  
b) Lamp B   
c) Any    
d) Both

Answer 1

I will prefer Lamp A