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If vₑ is escape velocity and v(o) is orbital velocity of a satellite for orbit close to the earth’s surface, then these are related by:
Options
(a) v(o) = √2 vₑ
(b) v(o) = vₑ
(c) vₑ = √(2 v(o))
(d) vₑ = √2 v(o)
Correct Answer:
vₑ = √2 v(o)
Explanation:
vₑ = √(2GM / R)
v(o) = √(GM / R)
vₑ = √2 v(o)
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Topics: Gravitation
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- What are the unit of K = 1 / (4 π ?￢ﾂﾒ)
- Two parallel metal plates having charges +Q and -Q face each other at a certain
- Thomson coefficient of a conductor is 10 µV/K. Its two ends are kept
- A hollow sphere of radius 0.1m has a charge of 5×10⁻⁸C. The potential
- Efficiency of a Carnot engine is 50% when temperature of sink is 500K. In order
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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