⇦ | ⇨ |
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.
Related Questions: - Wave nature of light is verified by
- Two thin lenses when placed in contact, then the power of combination is +10 D.
- 4 point charges each +q is placed on the circumference of a circle
- When you move from equator to pole, the value of acceleration due to gravity (g)
- Four cells, each of emf E and internal resistance r, are connected in series across
Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Wave nature of light is verified by
- Two thin lenses when placed in contact, then the power of combination is +10 D.
- 4 point charges each +q is placed on the circumference of a circle
- When you move from equator to pole, the value of acceleration due to gravity (g)
- Four cells, each of emf E and internal resistance r, are connected in series across
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply