Two disc having same moment of inertia about their axis. Thickness is $t _ { 1 }$ and $t _ { 2 }$ and they have same density. If $R _ { 1 } / R _ { 2 } = 1 / 2$, then find $t _ { 1 } / t _ { 2 }$. (A) 4 (B) $1 / 4$ (C) $1 / 16$ (D) 16
Two disc having same moment of inertia about their axis. Thickness is $t _ { 1 }$ and $t _ { 2 }$ and they have same density. If $R _ { 1 } / R _ { 2 } = 1 / 2$, then find $t _ { 1 } / t _ { 2 }$.
(A) 4
(B) $1 / 4$
(C) $1 / 16$
(D) 16