| ⇦ | 
| ⇨ |
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: - A wire of resistance 4 ohm is stretched to twice its original length.
- Figure below shows two paths that may be taken by a gas to go from a state A
- What is the energy of photon whose wavelength is 6840 Å?
- Sound waves travel at 350m/s through a warm air and at 3500 m/s through brass
- A wire is stretched under a force. If the wire suddenly snaps the temperature
Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A wire of resistance 4 ohm is stretched to twice its original length.
- Figure below shows two paths that may be taken by a gas to go from a state A
- What is the energy of photon whose wavelength is 6840 Å?
- Sound waves travel at 350m/s through a warm air and at 3500 m/s through brass
- A wire is stretched under a force. If the wire suddenly snaps the temperature
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