NDA General Science Physics Questions Part 2

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Question : 13 of 100

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Which one of the following statements about a satellite orbiting around the Earth is correct?

[NDA II 2017]

Satellite is kept in orbit by remote control from the ground station.
Satellite is kept in orbit by retro-rocket and solar energy keeps it moving around the Earth.
Satellite requires energy from solar panels and solid fuels for orbiting.
Satellite does not require any energy for orbiting.

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