Which of the following comparisons of LED lights and CFL lights is / are correct? The CFLs contain mercury, LEDs are free of mercury The CFLs emit more light per watt than the LEDs The CFLs are not temperature dependent, while LED performance largely depends on the ambient temperature of the operating environment Select the correct option from the codes given below:
Q. Which of the following comparisons of LED lights and CFL lights is / are correct? The CFLs contain mercury, LEDs are free of mercury The CFLs emit more light per watt than the LEDs The CFLs are not temperature dependent, while LED performance largely depends on the ambient temperature of the operating environment Select the correct option from the codes given below:
Answer: Only 1 & 3 are correct
Notes: The second statement is incorrect. LEDs are known for their performance and LED emit more light per watt than the CFLs.

 

Above question is part of 10000+ MCQs for UPSC (Prelims) Paper-1 course in GKToday Android app.