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Gravitation question

2021 · 17 Mar · Shift 1 · Q62
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Gravitation question

2021 · 17 Mar · Shift 1 · Q62

JEE MainPhysicsGravitationNumerical+4 / −1
The radius in kilometer to which the present radius of earth (R = 6400 km) to be compressed so that the escape velocity is increased 10 times is ‾\underline{\hspace{2cm}}​.
Numerical answer
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