CGPET 2012 Solved Paper

Section: Physics

Question : 38 of 150

Marks: +1, -0

Escape velocity of a body on the surface of earth is 11.2‌km∕ s. If the mass of the earth increases to twice its present value and radius of the earth becomes half, the escape velocity becomes

22.4‌km∕ s
11.2‌km∕ s
5.6‌km∕ s
None of these

Validate

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