Question
A boy can jump to a height h on ground level. What should be the radius of a sphere of density d such that on jumping on it, he escapes out of the gravitational field of the sphere
Options :
(4πGd/3gh)⁰.⁵
(4πgh/3Gd)⁰.⁵
(3gh/4πGd)⁰.⁵
(3Gd/4πgh)⁰.⁵
Answer :
(3gh/4πGd)⁰.⁵
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