CFL Vs LED - Science & Technology

Q.  Consider the following statements

1. CFL contains mercury
2. LED has lower CO2 emission
3. CFL lasts longer than LED

Which of the above statements are true?
- Published on 10 Jun 15

a. 1,2
b. 2,3
c. 1,3
d. All

ANSWER: 1,2
 
LED lasts longer than CFL.

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