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JEE Mains 04-Sep-2020 Shift 2 Solved Paper

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Question : 2

Total: 75

Consider two uniform discs of the samethickness and different radii R1= R and R2=αR made of the same material. If the ratio of their moments of inertia I1 and I2, respectively, about their axes is I1:I2=1:16 then the value of α is :

√2
2
4
2√2

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