What is the difference between a ?CFL and an LED LAMP? (1) Toproduce 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 and 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) Toproduce 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 and LED lamp.
(3) A CFL is LESS energy -efficient as compared to an LED lamp.
Which of the statements given above is/are correct?
1). 1 only
2). 2 and 3
3). 1 and 3
4). 1, 2 and 3?
1 answers
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