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The earth is assumed to be a sphere of radius R. A platform is arranged at a height R from the surface of the earth. The escape velocity of a body from this platform is fv, where v is its escape velocity from the surface of the Earth. The value of f is
Options
(a) (1/2)
(b) √2
(c) 1/√2
(d) (1/3)
Correct Answer:
1/√2
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
- In electromagnetic wave, according to Maxwell, changing electric field gives
- Three objects A,B and C are kept in a straight line on a frictionless horizontal surface
- A tuning fork gives 4 beats with 50 cm length of a sonometer
- What will be the ratio of the distance moved by a freely falling body from rest in 4th
- A parallel plate capacitor with air between the plates has a capacitance of 9 pF.
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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