space medium MCQ

Which atomic clock technology is indigenously developed for NavIC satellites?

  1. Cesium beam
  2. Rubidium fountain
  3. Hydrogen maser
  4. Optical lattice

Answer: Rubidium fountain

ISRO/SAC developed indigenous Rubidium atomic clocks for NavIC after import restrictions, achieving stability comparable to international standards.

Topic Space Technology - Navigation
Exam Relevance UPSC Prelims, SSC CHSL
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