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A particle of mass M is suited at the centre of a spherical shell of same mass and radius a. The gravitational potential at a point situated at a/2 distance from the centre, will be:
Options
(a) – 3GM / a
(b) – 2GM / a
(c) – GM / a
(d) – 4GM / a
Correct Answer:
– 3GM / a
Explanation:
Potential at the given point = Potential at the point due to the shell + Potential due to the particle
= – GM / a – 2GM / a = – 3GM / a
Related Questions: - When volume of a system is increased two times and temperature is decreased
- Two thin lenses of focal lengths f₁ and f₂ are in contact and coaxial.
- “On flowing current in a conducting wire the magnetic field is produced around it”.
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Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When volume of a system is increased two times and temperature is decreased
- Two thin lenses of focal lengths f₁ and f₂ are in contact and coaxial.
- “On flowing current in a conducting wire the magnetic field is produced around it”.
- A rectangular copper coil is placed in a uniform magnetic field of induction 40 mT
- The minimum wavelength of X-rays emitted by X-ray tube is 0.4125Å
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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