| ⇦ |
| ⇨ |
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: - One milligram of matter on convertion into energy will give
- During mean life of a radioactive element, the fraction that disintegrates is
- A nucleus of mass number 220, initially at rest, emits an α-particle. If the Q-value
- In gamma ray emission from a nucleus
- A flywheel rotating about a fixed axis has a kinetic energy of 360 J when
Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- One milligram of matter on convertion into energy will give
- During mean life of a radioactive element, the fraction that disintegrates is
- A nucleus of mass number 220, initially at rest, emits an α-particle. If the Q-value
- In gamma ray emission from a nucleus
- A flywheel rotating about a fixed axis has a kinetic energy of 360 J when
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