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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
- If two vectors 2i+3j+k and -4i-6j-λk are parallel to each other, then the value of λ is
- When a p-n junction is reverse biased, then the current through the junction
- An electric lamp is connected to 220 V, 50 Hz supply. Then the peak voltge is
- The maximum kinetic energy of emitted electrons in a photoelectric effect
- If critical angle for a material to air passage is 30°, the refractive index
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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