A) \[m\left( \frac{{{l}^{2}}+{{b}^{2}}}{12} \right)\]
B) \[m\left( \frac{{{l}^{2}}}{4}+\frac{{{b}^{2}}}{12} \right)\]
C) \[m\left( \frac{{{l}^{2}}+{{b}^{2}}}{6} \right)\]
D) none of these
Correct Answer: A
Solution :
Moment of inertia of plate of mass m, length l and breadth b \[I=m\left( \frac{{{l}^{2}}+{{b}^{2}}}{12} \right)\]
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