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The radius of gyration of a uniform rod of length  l, about an axis passing through a point  L4 away from the center of the rod, and perpendicular to it is

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a
748L
b
38L
c
18L
d
14L

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detailed solution

Correct option is A

Using Parallel Axis Theorem,  IC+Md2 =IP ⇒ML212+ML42=MK2   here K = Radius of Gyration⇒L212+L216=K2           ⇒ K=748L


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