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Nobel Prize in Physics for the year 2014 was awarded for inventing one light-emitting diode (LED) which has led to creation of energy-efficient and environment-friendly light source. This LED is
Correct Answer: (c)
Official keyThis question appeared in the TPSC Prelims 2014 examination (GS). It is Question 144 out of 184 questions in this paper.
This question was part of the TPSC Prelims 2014 (GS). The TPSC Prelims examination tests candidates on general studies, current affairs, and aptitude through multiple-choice questions.
Practice previous year questions from all TPSC Prelims papers and compare patterns with UPSC Prelims PYQ to identify overlapping topics.