Consider two uniform discs of the same thickness and different radii R1 = R and R2 = αR made of the same material.

Consider two uniform discs of the same thickness 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

(1) 2

(2) 4

(3) 2√2

(4) √2

Consider two uniform discs of the same thickness and different radii R1 = R and R2 = αR made of the same material.

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