- 1(current)
Q. No.Two Stars of equal mass rotate about a common centre-of-mass in a common circular orbit of radius \(R.\) The total mass of the Stars is \(M.\)
The orbital speed of each Star is:
1. \(\sqrt{\dfrac{GM}{8R}}\)
2. \(\sqrt{\dfrac{GM}{16R}}\)
3. \(\sqrt{\dfrac{GM}{2R}}\)
4. \(\sqrt{\dfrac{GM}{4R}}\)
The orbital speed of each Star is:
1. \(\sqrt{\dfrac{GM}{8R}}\)
2. \(\sqrt{\dfrac{GM}{16R}}\)
3. \(\sqrt{\dfrac{GM}{2R}}\)
4. \(\sqrt{\dfrac{GM}{4R}}\)
From NCERT
Subtopic: Orbital velocity |
Please attempt this question first.
Please attempt this question first.
Please attempt this question first.
Launched MCQ Practice Books
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA planet of mass \(m,\) moves in a circular orbit around the sun (mass: \(M,M\gg m\)); the angular momentum of the planet in its orbit being \(L.\) The speed of the planet in its orbit equals:
| 1. | \(\dfrac{GMm}{2L}\) | 2. | \(\dfrac{GMm}{L}\) |
| 3. | \(\dfrac{2GMm}{L}\) | 4. | \(\dfrac{4GMm}{L}\) |
Subtopic: Orbital velocity |
Please attempt this question first.
Please attempt this question first.
Please attempt this question first.
Launched MCQ Practice Books
Prefer Books for Question Practice? Get NEETprep's Unique MCQ Books with Online Audio/Video/Text Solutions via Telegram Bot
NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
© 2025 GoodEd Technologies Pvt. Ltd.