Rotational Motion: JEE Main 2023 Physics question

JEE Main 2023 · 31 Jan, Evening shift · Q79

JEE Main 202331 Jan, Evening shiftPhysicsMediumRotational Motion140× since 2002

Two discs of same mass and different radii are made of different materials such that their thicknesses are

1 \mathrm{~cm}

and

0.5 \mathrm{~cm}

respectively. The densities of materials are in the ratio

3: 5

. The moment of inertia of these discs respectively about their diameters will be in the ratio of

\frac{x}{6}

. The value of

x

is ________.

Your answerType your answer. Integers and decimals are accepted.

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