Gravitation Question 212
Question: Earth is revolving around the sun if the distance of the Earth from the Sun is reduced to 1/4th of the present distance then the present day length reduced by[BHU 2005]
Options:
A) $ [\frac{1}{4}] $
B) $ [\frac{1}{2}] $
C)$ [\frac{1}{8}] $
D)$ [\frac{1}{6}] $
Show Answer
Answer:
Correct Answer: C
Solution:
$ [\frac{T_{2}}{T_{1}}={{\left( \frac{r_{2}}{r_{1}} \right)}^{3/2}}={{\left( \frac{1}{4} \right)}^{3/2}}=\frac{1}{8}] $
