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AIPMT 2002 Physics and Chemistry Paper

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Question : 3

Total: 100

A circular disc is to be made by using iron and aluminium so that it acquired maximum moment of inertia about geometrical axis. It is possible with : -

Aluminium at interior and iron surround to it
Iron at interior and aluminium surround to it
Using iron and aluminium layers in alternate order
Sheet of iron is used at both external surface and aluminium sheet as internal layers

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