GK Question

technology hard mcq

Which propulsion technology enables efficient deep space missions with continuous low-thrust?

  1. Chemical Rockets
  2. Ion Propulsion
  3. Nuclear Thermal
  4. Solar Sails

Answer: Ion Propulsion

Ion thrusters use electric fields to accelerate ions, providing high specific impulse (fuel efficiency) with low thrust. Ideal for deep space missions: Dawn, BepiColombo. ISRO developing electric propulsion for future missions.

Topic Space Tech Advances
Exam Relevance UPSC, SSC CGL, Banking