A circular disc X of radius R is made from an iron plate of thickness t, and another disc Y
Channel: Doubtnut
Date: 05/07/2020

A circular disc X of radius R is made from an iron plate of thickness t, and another disc Y of radius 4R is made from an iron plate of thickness `(t)/(4)`. Then the relation between the moment of inerita `I_X` and `I_Y` is