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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