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Class 11 NEET Physics Gravitation Questions

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Question : 54

Total: 83

The earth is assumed to be a sphere of radius R. A platform is arranged at a height R from the surface of the earth. The escape velocity of a body from this platform is fv, where v is its escape velocity from the surface of the Earth. The value of f is

1
2
√2
1
√2
1
3

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