|With reference to LED bulbs, consider the following statements.|
|1. It stands for Light Emitting Diodes bulbs which consumes less electricity and have longer lifetime than light bulbs and CFL.|
|2. The luminous efficacy of a typical LED is more than 100 lumens per watt (1 M/W) and that of typical CFL bulb is 50-70 lumens per watt.|
|3. Union Government has launched 'National Programme for LED based Home and Street Lighting' for energy conservation by reducing energy consumption in 2015.|
|Which of the statements] given above is/are correct?|
A) Only 1
B) 2 and 3
C) 1 and 3
D) All of these
Correct Answer: D
Solution :[d] LED bulbs stands for Light Emitting Diodes bulbs which have a very long life, almost 50 times more than ordinary bulbs and 8-10 times that of CFLs and therefore provide both energy and cost savings in the medium term. The luminious efficacy of LED bulbs is more than 100 lumens per watt and that of typical CFL bulb is 50-70 lumens per watt. Indian Government has launched in 2015 the National Programme for LED based home and street lighting for energy conservation by reducing energy consumption.
You need to login to perform this action.
You will be redirected in 3 sec