Loading...
Loading...
Which of the following statements are incorrect? 1. LED lamps do not contain mercury 2. LED lights never fail abruptly, but there is a gradual decrease in the output 3. CFL lamps are more energy-efficient as compared to the LED lamps
Correct Answer: (c)
UnverifiedNo official key was published for this paper. This answer is awaiting faculty review: treat it with caution.
This question appeared in the GPSC Prelims 2019 examination (GS-II). It is Question 134 out of 400 questions in this paper.
This question was part of the GPSC Prelims 2019 (GS-II). The GPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all GPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.