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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)
Related Questions: - A black body is heated from 27° C to 127° C. The ratio of their energies of radiations
- The amount of heat energy required to raise the temperature of 1 g of Helium
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Topics: Gravitation
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A black body is heated from 27° C to 127° C. The ratio of their energies of radiations
- The amount of heat energy required to raise the temperature of 1 g of Helium
- Two waves represented by following equations are travelling in same medium
- A black body radiates 20 W at temperature 227⁰C. It temperature of the black body
- Which is incorrect about thermal process
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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