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Moment of inertia of a circular disc is given as:

1. MR²/4
2. MR²/2
3. 5MR²/4
4. 3MR²/2

Correct answer: MR²/2

Solution

The moment of inertia of a circular disc about an axis passing through its center and perpendicular to its plane is given by MR²/2, where M is the mass and R is the radius of the disc.

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