JEE Main 2021PhysicsGravitationEscape Speed And Motion Of SatelliteseasyMCQ

JEE Main 2021Gravitation Question with Solution

From: JEE Main 2021 (Online) 27th July Evening Shift

Question

The planet Mars has two moons, if one of them has a period 7 hours, 30 minutes and an orbital radius of 9.0 103 km. Find the mass of Mars.

Choose an option

Show full solutionCorrect option: D
Correct answer
D6.00 1023 kg

Step-by-step explanation

Option D is correct.





by putting values

Practice this on the real CBT interface

Solve this JEE Main question (and the rest of the Gravitation chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.

Solve interactively →

About this question

This is a previous-year question from JEE Main 2021, covering the Gravitation chapter of Physics. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.