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Question: Answered & Verified by Expert
In the case of a satellite moving along a circular orbit, a larger orbit corresponds to
PhysicsGravitationJEE Main
Options:
  • A longer period and smaller velocity.
  • B larger velocity and longer period.
  • C smaller period and smaller velocity.
  • D smaller period and larger velocity.
Solution:
2935 Upvotes Verified Answer
The correct answer is: longer period and smaller velocity.

From Kepler's third law, the time period of satellite is 
T2  r3
And larger the orbit then larger is the value of r, larger will be the time period.
Now the velocity of satellite is

v=GMrv 1r
Hence, larger value of r Corresponds to smaller value of v

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