GS Paper 3Nobel Prizes
Nobel Prizes: UPSC Mains GS 3 PYQ 2021
Year: 2021 Marks: 15
Previous year question
The Nobel Prize in Physics of 2014 was jointly awarded to a Akasaki, Amano and Nakamura for the invention of Blue LEDs in1990s. How has this invention impacted the everyday life of human beings?
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