What is the length of a Martian year in days if Phobos has a period...

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

A365 days
B684 days
C1.88 days
D224.7 days

Correct answer

B. 684 days

Step-by-step solution

Correct Option is : (B)
684 days

Practice Gravitation on Quantrex Academy →

More from Gravitation

The amount of work done to raise a mass ' m ' from the surface of the Earth to a height… NEET 2026 Two planets P_1 and P_2 with equal mass have radii R_1 and R_2 , respectively, where… NEET 2026 In a solar system, the time-period of revolution of a planet tracing a circular orbit of… NEET 2026 The radius of Martian orbit around the Sun is about 4 times the radius of the orbit of… NEET 2025 A body weighs 48 N on the surface of the earth. The gravitational force experienced by… NEET 2025 The escape velocity for earth is v . A planet having 9 times mass that of earth and… NEET 2024 The mass of a planet is (1)/(10) th that of the earth and its diameter is half that of… NEET 2024 An object of mass 100 kg falls from point A to B as shown in figure. The change in its… NEET 2024 Full Gravitation list All NEET PYQs