Q47
What is the difference between a CFL and an LED Lamp? 1. To produce light, a CFL uses mercury vapour and phosphor while an LED lamp uses semi-conductor material. 2. The average life span of a CFL is much longer than of an LED lamp. 3. A CFL is less energy efficient as compared to an LED lamp. Which of the statements given above is/are correct?
A.
Only 1
B.
Only 2 and 3
C.
Only 1 and 3
AnswerD.
1, 2 and 3
Answer: Option C
Solution
Answer: Option C
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