AIIMS2001Physics-Gravitation
AIIMS 2001 Physics Orbital Velocity MCQ Question
Type: MCQ-numerical-Hard-Class 11
The orbital velocity of an artificial satellite in a circular orbit above the earth's surface at a distance equal to radius of earth is v. For a satellite orbiting at an altitude half of earth's radius, orbital velocity is
A
3/2 v
B
(3/2)√2 v
C
2/√3 v
D
2/3 v
Correct Answer
Option C
Detailed Explanation
Orbital velocity is proportional to the square root of the gravitational force, which changes with altitude.
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