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 ?

What is the difference between a CFL and an LED LAMP ?1. To produce li

1.	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.	1 only
B.	2 and 3
C.	1 and 3
D.	1, 2 and 3
Answer» D. 1, 2 and 3

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