C:\UPSC\GS3\2021\Q-6.txt
Science & TechnologyEXAMINEYear 202110 Marks
Concept / Statute•Directive•Institution / Stakeholder

What are the research achievements in Blue LED technology that led to the Nobel Prize in Physics 2014? How has it transformed energy efficiency in lighting?

Exact Syllabus Pointer

Developments in IT, space, computers, robotics, nanotechnology, biotechnology, issues relating to intellectual property rights (IPR).

Connected Questions Across All Papers

Discovered through overlapping concepts: Blue LED Technology, Nobel Prize in Physics, Solid-State Lighting

Recurring Theme Trend: “Blue LED Technology”

2 questions across 14 yrs

Frequency of UPSC CSE Mains questions testing this core concept, landmark doctrine, or foundational syllabus theme (2013-2026)

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