| ⇦ | 
| ⇨ |
The radius of a planet is twice the radius of earth. Both have almost equal average mass densities. If Vp and Ve are escape velocities of the planet and the earth, respectively, then,
Options
(a) Ve = 1.5 Vp
(b) Vp = 1.5 Ve
(c) Vp = 2 Ve
(d) Ve = 3 Vp
Correct Answer:
Vp = 2 Ve
Explanation:
Escape velocity, vₑ = R√(8/3 πGP)
⇒ vₑ ∞ R ⇒ Vₚ / Vₑ = Rₚ / Rₑ = 2
Vₚ = 2 vₑ
Related Questions: - If a proton, a deuteron and an alpha particle, on being accelerated by the same
- A circular coil of radius 10cm and 100 turns carries a current 1 A.
- Number of spectral lines in hydrogen atom is
- In depletion layer of unbiased P-N junction
- A thin wire of length L and mass M is bent to form a semicircle.
Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If a proton, a deuteron and an alpha particle, on being accelerated by the same
- A circular coil of radius 10cm and 100 turns carries a current 1 A.
- Number of spectral lines in hydrogen atom is
- In depletion layer of unbiased P-N junction
- A thin wire of length L and mass M is bent to form a semicircle.
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