It is a variant of data communications that uses visible light between 400 and 800 THz. Receiver and transmitter are an integral part of visible communication. You can read about LIGO India – Gravitational Wave Detector in India in the given link.
Further readings:
- Topic-Wise GS 3 Questions for UPSC Mains
- Science & Technology Notes For UPSC – General Science Notes
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Related Links |
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UPSC Mains General Studies Paper-III Strategy, Syllabus & Structure |
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