Gravitation Question 185

Question: Two planets move around the sun. The periodic times and the mean radii of the orbits are [T1,,T2] and [r1,,r2] respectively. The ratio [T1/T2] is equal to[CPMT 1978]

Options:

A) [(r1/r2)1/2]

B) [r1/r2]

C) [(r1/r2)2]

D) [(r1/r2)3/2]

Show Answer

Answer:

Correct Answer: D

Solution:

[T2r3,,T1T2=(r1r2)3/2]



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