The radius of gyration of a solid cylinder of mass M and radius R abou

1.	The radius of gyration of a solid cylinder of mass M and radius R about its own axis is
Answer» `(R)/(sqrt2)` `(R)/(2)` `(R)/(SQRT3)` `(R)/(3)` Solution :The MOMENT of inertia of a solid CYLINDER of mass M and radius R about its own axis is `I = (MR^(2))/(2) "" … (i)` As `I = MK^(2)` (where k is the radius or gyration) `""` … (ii) From (i) and (ii) , we get `k^(2) = (R^(2))/(2) or k = (R)/(sqrt2)`

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