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Kepler's Laws of Planetary Motion for JEE: 17 solved questions

Real JEE paper questions on kepler's laws of planetary motion, part of gravitation. Each opens with the options, the correct answer and a step-by-step solution. Papers run from 2016 to 2026. No sign-in needed to read them.

What this topic asks

• Third law — 10 questions
• Second law and areal velocity — 5 questions
• First law and orbit geometry — 2 questions

All 17 questions with solutions

• A planet P₁ is moving around a star of mass 2M in an orbit of radius R. Another planet P₂ is moving around an… JEE Main 2nd April 1st Shift 2026
• Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Ass… JEE Main 7th April 2nd Shift 2025
• If a satellite orbiting the earth is 9 times closer to the earth than the moon, what is the time period of ro… JEE Main 23rd January 2nd Shift 2025
• A satellite is launched into a circular orbit of radius R around the earth. A second satellite is launched in… JEE Main 24th January 1st Shift 2025
• Two planets A and B, having masses m₁ and m₂, move around the sun in circular orbits of radii r₁ and r₂ respe… JEE Main 8th April 1st Shift 2024
• A planet takes 200 days to complete one revolution around the Sun. If the distance of the planet from the Sun… JEE Main 29th Jan 2nd Shift 2024
• If the distance of the earth from the sun is 1.5×10⁶ km, then the distance of an imaginary planet from the Su… JEE Main 24th Jan 2nd Shift 2023
• Every planet revolves around the sun in an elliptical orbit. A. The force acting on a planet is inversely pro… JEE Main 25th Jan 2nd Shift 2023
• The distance between the Sun and the Earth is R. The duration of a year, if the distance between the Sun and… JEE Main 24th June 2nd Shift 2022
• Two planets A and B of equal mass have periods of revolution T_A and T_B such that T_A=2T_B. These planets re… JEE Main 28th June 2nd Shift 2022
• The minimum and maximum distances of a planet revolving around the Sun are x₁ and x₂. If the minimum speed of… JEE Main 25th July 1st Shift 2021
• The planet Mars has two moons. If one of them has a period of 7 hours 30 minutes and an orbital radius of 9.0… JEE Main 27th July 1st Shift 2021
• The maximum and minimum distances of a comet from the Sun are 1.6×10¹² m and 8.0×10¹⁰ m respectively. If the… JEE Main 16th March 1st Shift 2021
• The angular momentum of a planet of mass M moving around the sun in an elliptical orbit is L⃗. The magnitude… JEE Main 18th March 1st Shift 2021 (also asked in 2019)
• A planet revolving in an elliptical orbit has (A) a constant velocity of revolution. (B) the least velocity w… JEE Main 26th Feb 1st Shift 2021
• The figure shows the elliptical path abcd of a planet around the sun S, such that the area of the triangle cs… JEE Main Online 2016
• Two satellites revolve around a planet in coplanar circular orbits in the anticlockwise direction. Their peri… JEE Main 1st Sept 2nd Shift 2021