Gravitation Question 71

Question:The masses of two planets are in the ratio 1 : 2. Their radii are in the ratio 1 : 2. The acceleration due to gravity on the planets are in the ratio [MH CET 2004]

Options:

A) 1 : 2

B) 2 : 1

C) 3 : 5

D) 5 : 3

Show Answer

Answer:

Correct Answer: B

Solution:

$ [\frac{{{g}’}}{g}=\frac{{{M}’}}{M}\times \frac{R^{2}}{{{{{R}’}}^{2}}}=\frac{1}{2}\times \frac{4}{1}=\frac{2}{1}] $



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