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JEE Physics · Medium

Principles of Communication: Satellite Communication MCQ

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Satellite CommunicationMediumQuestion 20246

Question

The communication satellite acts as a:
  1. A
    Radar reflector
  2. B
    Space-based repeater/relay station
    Correct
  3. C
    Navigation beacon only
  4. D
    Weather instrument only

Correct answer

Space-based repeater/relay station

Explanation

An uplink signal is received by the transponder, frequency-converted (e.g., 6 GHz → 4 GHz), amplified, and retransmitted as the downlink. One satellite can cover ~40% of Earth's surface.

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