JEE Main 2026 · Session 2 · Shift 1 · Physics
Question 30
A planet (P₁) is moving around the star of mass 2M in the orbit of radius R. Another planet (P₂) is moving around another star of mass 4M in a orbit of radius 2R. Ratio of time periods of revolution of P₂ and P₁ is ____.
- A. 1/2
- B. 2Correct answer
- C. 4
- D. 1/4
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Official source
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Question paper, page 12.