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The moment of inertia of a cylinder about its own axis is equal to half of its moment of inertia about an axis passing through its centre and normal to its length. The ratio of length to radius is
detailed solution
Correct option is C
MR22=12(ML212+MR24) MR2[12−18]=ML224 38MR2=ML2243 ⇒L2R2=9⇒L:R=3:1Talk to our academic expert!
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The radius of gyration of a rod of length L and mass M about an axis perpendicular to its length and passing through a point at a distance L/3 from one of its ends is
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