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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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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A circuit area 0.01 m² is kept inside a magnetic field which is normal to its plane.
- In a series resonant LCR circuit, the voltage across R is 100 volts and R =1kΩ
- A person holding a rifle (mass of person and rifle together is 100 kg) stands on a smooth
- Let A = i Acosθ +j B sinθ be any vector.Another vector B which is normal to A is
- A planet in a distinct solar system is 10 times more massive than the earth
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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