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Why is LED (Light Emitting Diode) technology considered superior to traditional incandescent bulbs? 1. LEDs convert a higher percentage of electrical energy into light rather than heat. 2. LEDs produce light through the heating of a metal filament. Choose the correct option from the following.
Correct Answer: (a)
Official keyThis question appeared in the GPSC Prelims 2026 examination (GS). It is Question 75 out of 200 questions in this paper.
This question was part of the GPSC Prelims 2026 (GS). 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.