JEE Mains · Physics · STD 11 - 7. gravitation
The distance between Sun and Earth is \(R.\) The duration of year if the distance between Sun and Earth becomes \(3R\) will be
- A \(\sqrt{3}\,\, years\)
- B \(3\,\, years \)
- C \(9\,\, years\)
- D \(3 \sqrt{3} \,\,years\)
Answer & Solution
Correct Answer
(D) \(3 \sqrt{3} \,\,years\)
Step-by-step Solution
Detailed explanation
\(T ^{\prime}= T \left(\frac{3 R }{ R }\right)^{3 / 2}=3 \sqrt{3} T\)
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