AIPMT PRELIMS2002Physics-Rotational Motion
AIPMT PRELIMS 2002 Physics Moment of Inertia MCQ Question
Type: MCQ-conceptual-Medium-Class 11
A circular disc is to be made by using iron and aluminium so that it acquired maximum moment of inertia about geometrical axis. It is possible with :-
A
Aluminium at interior and iron surround to it
B
Iron at interior and aluminium surround to it
C
Using iron and aluminium layers in alternate order
D
Sheet of iron is used at both external surface and aluminium sheet as internal layers
Correct Answer
Option A
Detailed Explanation
To maximize the moment of inertia, the denser material (iron) should be placed further from the axis of rotation. Therefore, aluminium should be at the interior and iron should surround it.
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