Gravitation Question 275

Question:If [g1R3] (instead of [1R2),] then the relation between time period of a satellite near earth’s surface and radius R will be[RPMT 2002]

Options:

A) [T2R3]

B) [TR2]

C) [T2R]

D) [TR]

Show Answer

Answer:

Correct Answer: B

Solution:

Gravitational force provides the required centripetal force [mω2R=GMmR3] [] [4π2T2=GMR4] [] [TR2]



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