| ⇦ | 
| ⇨ |
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: - When a biconvex lens of glass having refractive index 1.47 is dipped in a liquid
- What is the energy of He⁺ electron in first orbit?
- Wavefront is the locus of all points, where the particles of the medium
- A step down transformer is used on a 1000 V line to deliver 20 A at 120 V
- Copper and carbon wires are connected in series and the combined resistor is kept
Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- When a biconvex lens of glass having refractive index 1.47 is dipped in a liquid
- What is the energy of He⁺ electron in first orbit?
- Wavefront is the locus of all points, where the particles of the medium
- A step down transformer is used on a 1000 V line to deliver 20 A at 120 V
- Copper and carbon wires are connected in series and the combined resistor is kept
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