Physics MCQ: 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 that of an LED lamp. 3. ACFL is less energy-efficient as compared to an LED lamp. Which of the statements given above is/are correct? | Extra Education

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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 that of an LED lamp. 3. ACFL is less energy-efficient as compared to an LED lamp. Which of the statements given above is/are correct?

Correct Answer: 1 and 3 only

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WhatsApp+91 99922 70404Physics MCQ: 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 that of an LED lamp. 3. ACFL is less energy-efficient as compared to an LED lamp. Which of the statements given above is/are correct? | Extra Education