Question

# The ratio of the weights of a body on the Earth's surface to that on the surface of a planet is . The mass of the planet is 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)

A
B
C
D
Hard
Updated on : 2022-09-05
Solution
Verified by Toppr
Correct option is B)

## Since mass of the object remains same  Weight of object will be proportional to (acceleration due to gravity)GivenAlso, ( is mass planet, is universal gravitational constant, is radius of planet)

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