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A particle falls towards earth from infinity. Its velocity on reaching the earth would be
Options
(a) infinity
(b) √(2gR)
(c) 2 √(Rg)
(d) zero
Correct Answer:
√(2gR)
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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- The S.I. unit of radioactivity is
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Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A radioactive substance decays to 1/16th of its initial activity in 40 days.
- The S.I. unit of radioactivity is
- Young’s modulus of perfectly rigid body material is
- 10 mA current can pass through a galvanometer of resistance 25 ohm.
- The electric field at a distance 3R / 2 from the centre of a charged conducting
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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Velocity will be equal to the escape velocity from Earth i,e root over of 2gR