What is the purpose of a light emitting diode?

Light emitting diodes (LED) are used to directly convert electrical energy into light, thereby reducing wastage of electricity. You can read about LIGO India – Gravitational Wave Detector in India in the given link.

Further readings:

  1. Topic-Wise GS 3 Questions for UPSC Mains
  2. Science & Technology Notes For UPSC – General Science Notes 

Leave a Comment

Your Mobile number and Email id will not be published. Required fields are marked *

*

*