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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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Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If the red light is replaced by blue light illuminating the object in a microscope
- Masses of 3 wires of same metal are in the ratio 1:2:3 and their lengths
- A bar magnet has a coercivity of 4×10³ Am⁻¹. It is placed inside a solenoid
- A battery having e.m.f. 4 volt and internal resistance 0.5 Ω is connected
- Which of the following phenomena does not show the wavenature of light?
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