Which of the following comparisons of LED lights and CFL lights is / are correct?

  1. The CFLs contain mercury, LEDs are free of mercury
  2. The CFLs emit more light per watt than the LEDs
  3. 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:

[A] Only 1 is correct
[B] Only 1 & 2 are correct
[C] Only 1 & 3 are correct
[D] all are correct
Click Here to Display Answer