Two stars of masses m and 2 m at a distance d rotate about their common centre of mass in free space. The…

1. $2\pi \sqrt{\frac{d^3}{3Gm}}$
2. $2\pi \sqrt{\frac{3Gm}{d^3}}$
3. $\frac{1}{2\pi }\sqrt{\frac{3Gm}{d^3}}$
4. $\frac{1}{2\pi }\sqrt{\frac{d^3}{3Gm}}$

Solution

Asked in: JEE Main 2021 (24 Feb Shift 1)

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