AIPMT MAIN2008Physics-Rotational Motion
AIPMT MAIN 2008 Physics Moment of Inertia MCQ Question
Type: MCQ-conceptual-Medium-Class 11
The ratio of the radii of gyration of a circular disc to that of a circular ring, each of same mass and radius, around their respective axes is
A
√2 : √3
B
√3 : √2
C
1 : √2
D
√2 : 1
Correct Answer
Option C
Detailed Explanation
The radius of gyration for a disc is less than that of a ring because the mass is distributed closer to the axis. The ratio is derived from the formula for radius of gyration.
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