A) \[\frac{6}{5}I\]
B) \[\frac{3}{4}I\]
C) \[\frac{3}{2}I\]
D) \[\frac{5}{4}I\]
Correct Answer: A
Solution :
MI of disc about tangent in a plane \[=\frac{5}{4}M{{R}^{2}}=I\] \[M{{R}^{2}}=\frac{4}{5}I\] MI of disc about tangent perpendicular to plane \[I=\frac{3}{2}M{{R}^{2}}\] \[I=\frac{3}{2}\left( \frac{4}{5}I \right)\] \[=\frac{6}{5}I\]
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