jee-main 2020 Q4

jee-main · India · session1_07jan_shift1 Not Maths

The radius of gyration of a uniform rod of length $l$, about an axis passing through a point $\frac { l } { 4 }$ away from the centre of the rod, and perpendicular to it, is:
(1) $\frac { 1 } { 4 } l$
(2) $\frac { 1 } { 8 } l$
(3) $\sqrt { \frac { 7 } { 48 } } l$
(4) $\sqrt { \frac { 3 } { 8 } } l$

The radius of gyration of a uniform rod of length $l$, about an axis passing through a point $\frac { l } { 4 }$ away from the centre of the rod, and perpendicular to it, is:\\
(1) $\frac { 1 } { 4 } l$\\
(2) $\frac { 1 } { 8 } l$\\
(3) $\sqrt { \frac { 7 } { 48 } } l$\\
(4) $\sqrt { \frac { 3 } { 8 } } l$

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