AIPMT PRELIMS 2006 Physics Escape Velocity MCQ Question
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 ve, where ve is its escape velocity from the surface of the earth. The value of f is:
2
1/√2
1/3
1
Correct Answer
Detailed Explanation
The escape velocity from a height R is given by ve/√2, where ve is the escape velocity from the surface. Thus, f = 1/√2.
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