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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
- The turn ratio of a transformer is 1:2. An electrolytic dc cell of emf 2 volt is connected
- The radius of germanium nuclide is measured to be twice the radius of ₄⁹Be.
- A conductor of length 5 cm is moved parallel to itself with a speed of 2 m/s,
- The ratio of specific heats Cp/Cv=γ in terms of degrees of freedom (n) is given by
- A pan is suspended from a steel wire. Weights are slowly put on the pan
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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