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NEETPhysicsGravitation

What is the length of a Martian year in days if Phobos has a period of 7 hours and 39 minutes and orbits at an orbital radius of 9.4 × 10^3 km, assuming Earth and Mars move in circular orbits around the Sun with Mars' orbit being 1.52 times the orbital radius of Earth?

Options

  1. A365 days
  2. B684 days
  3. C1.88 days
  4. D224.7 days

Correct answer

B. 684 days

Step-by-step solution

Correct Option is : (B) 684 days

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