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}] $
