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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
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Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A person cannot see the objects clearly placed at a distance more than 40 cm
- The potential energy of particle in a force field is U = A/r² – b/r, where A and B
- The motion of a particle along a straight line is described by equation
- The escape velocity of a body from earth’s surface is Ve. The escape velocity
- A black body is heated from 27° C to 127° C. The ratio of their energies of radiations
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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