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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
(63)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- A small signal voltage V(t)=V₀ sin ωt is applied across an ideal capacitor C
- The self induced e.m.f. in a 0.1 H coil when the current in it is changing
- A wave travelling in the +ve x-direction having displacement along y-direction as 1m
- A satellite is revolving around the earth with a kinetic energy E. The minimum
- A thin equiconvex lens of refractive index 3/2 and radius of curvature 30 cm
Topics: Gravitation (63)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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