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  9. Q92

UPPSC PCS 2017 · Question 92 of 149

An artificial satellite can be tracked very precisely from the earth by using:

Science

  1. ADoppler effectCorrect
  2. BRadar
  3. CSonar
  4. DPulsar

Answer: A. Doppler effect

Explanation

Artificial satellites can be accurately tracked from Earth by the Doppler effect. For this "Doppler curve" is used.

Source: edurev.in UPPSC Prelims 2017 GS Paper I with Answer Key and Solutions

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