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Q. The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be:

  • (A) 8 T
  • (B) 4 T
  • (C) 1 T
  • (D) 2 T
  • Correct Answer - Option(A)
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Explanation by: Admin
The period of revolution of a certain planet in an orbit of radius R is T. Its period of revolution in an orbit of radius 4R will be 8T.

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