Physics System of Particles Rotational Motion All Topic Question for Revision Test MCQ (Single Correct)

The figure shows a uniform rod lying along the -axis. The locus of all the points lying on the -plane, about which the moment of inertia of the rod is same as that about is

A
an ellipse
B
a circle
C
a parabola
D
a straight line

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Text Solution

Verified by Experts
The correct answer is:
B

From theorem of parallel axes, moment of inertia about an axis passing through a distance

from center in all directions will have moment of inertia . All such points at same distance from centre will lie in a circle.

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