The masses of two uniform discs are in the ratio `1 : 2` and their diameters in the ratio `2 : 1`. The ratio of their moment, of inertia about the axis passing through their respective centres and perpendicular to their planes isA. `1:1`B. `1:2`C. `2:1`D. `1:4`

The masses of two uniform discs are in the ratio `1 : 2` and their dia

1.	The masses of two uniform discs are in the ratio `1 : 2` and their diameters in the ratio `2 : 1`. The ratio of their moment, of inertia about the axis passing through their respective centres and perpendicular to their planes isA. `1:1`B. `1:2`C. `2:1`D. `1:4`
Answer» Correct Answer - C `(I_(1))/(I_(2))=(M_(1))/(M_(2))((R_(1))/(R_(2)))^(2)` `= (1)/(2)xx(4)/(1)=(2)/(1)`

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The masses of two uniform discs are in the ratio `1 : 2` and their diameters in the ratio `2 : 1`. The ratio of their moment, of inertia about the axis passing through their respective centres and perpendicular to their planes isA. `1:1`B. `1:2`C. `2:1`D. `1:4`

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