AIPMT MAIN2008Physics-Rotational Motion
AIPMT MAIN 2008 Physics Moment of Inertia MCQ Question
Type: MCQ-conceptual-Medium-Class 11
A thin rod of length L and mass M is bent at its midpoint into two halves so that the angle between them is 90°. The moment of inertia of the bent rod about an axis passing through the bending point and perpendicular to the plane defined by the two halves of the rod is
A
√2ML²/24
B
ML²/24
C
ML²/12
D
ML²/6
Correct Answer
Option C
Detailed Explanation
The moment of inertia for a bent rod is calculated by considering the distribution of mass about the axis. The formula I = ML²/12 applies here.
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