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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
- If potential(in volts) in a region is expressed as V(x,y,z) = 6xy – y + 2yz,
- An inductor 20 mH, a capacitor 50 μF and a resistor 40Ω are connected in series
- Moment of inertia, along the diameter of a ring is
- A charged particle with a velocity 2×10³ ms⁻¹ passes undeflected through electric field
- 24 cells of emf 1.5 V each having internal resistance of 1 ohm are connected
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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