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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
- An aeroplane flies 400m due to North and then 300m due to south and then flies
- Two straight wires each 10cm long are parallel to one another and seperated by 2 cm.
- The pressure at the bottom of a tank containing a liquid does not depend on
- A bar magnet of pole strength 10 A-m is cut into two equal parts breadthwise.
- The potential energy of a 1 kg particle free to move along the x-axis is given by
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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