Gravitation Question 181
Question: If the earth is at one-fourth of its present distance from the sun, the duration of the year will be[EAMCET 1987]
Options:
A) Half the present year
B) One-eighth the present year
C) One-fourth the present year
D) One-sixth the present year
Show Answer
Answer:
Correct Answer: B
Solution:
Since $ [T^{2}\propto r^{3}] $ $ [\therefore ,,{{\left( \frac{{{T}’}}{T} \right)}^{2}}={{\left( \frac{1}{4} \right)}^{3}},\Rightarrow ,{T}’=\frac{1}{8}T] $
BETA
