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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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(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If two electric bulbs have 40 W and 60 W ratings at 220 V, then the ratio
- 540 g of ice at 0° C is mixed with 540 g of water at 80° C. The final temperature
- Magnetic susceptibility of a material is given as
- The nuclear radius of a certain nucleus is 7.2 fm and it has a charge of 1.28×10⁻¹⁷ C.
- The moment of inertia of a thin uniform rod of mass M and length L about an axis
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