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 lump uses semi-conductor material 2. The average life span of a CFL is much lunger than that 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 ?
Options
(a)1 only
(b)2 and 3 only
(c)1 and 3 only
(d)1, 2 and 3
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