The ratio of the weight of a body on the Earth’s surface to that on the surface of a planet is 9 : 4 , the mass of the planet is 1 /9th of that of the Earth. If ‘R’ is the radius of the Earth, what is the radius of the planet? (Take the planets to have the same mass density) [12 Apr 2019 Shift 2]

JEE Main 12 Apr 2019 Paper 2 Solved Paper

Section: Physics

Question : 12 of 90

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The ratio of the weight of a body on the Earth’s surface to that on the surface of a planet is 9 : 4 , the mass of the planet is

th of that of the Earth. If ‘R’ is the radius of the Earth, what is the radius of the planet? (Take the planets to have the same mass density)

[12 Apr 2019 Shift 2]

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