| ⇦ | 
| ⇨ |
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: - For a series L-C-R circuit, the rms values of voltage across various components
- Sound waves travel at 350m/s through a warm air and at 3500 m/s through brass
- Young’s modulus of the material of a wire is 18×10¹¹ dyne cm⁻².its value in SI is
- If longitudinal strain for a wire is 0.03 and its poisson’s ratio is 0.5
- The number of photo electrons emitted for light of a frequency v
Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- For a series L-C-R circuit, the rms values of voltage across various components
- Sound waves travel at 350m/s through a warm air and at 3500 m/s through brass
- Young’s modulus of the material of a wire is 18×10¹¹ dyne cm⁻².its value in SI is
- If longitudinal strain for a wire is 0.03 and its poisson’s ratio is 0.5
- The number of photo electrons emitted for light of a frequency v
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