A disc of mass 'm' is suspended at a point R/2 above its centre. Find its period of oscillation.

Explanation

To find the period of oscillation of a disc of mass 'm' suspended at a point R/2 above its center, we can follow these steps:

### Step 1: Understand the Problem
We have a disc of mass 'm' and radius 'R' suspended at a point that is R/2 above its center. We need to find the period of oscillation when the disc is displaced slightly and allowed to oscillate.

### Step 2: Moment of Inertia Calculation
The moment of inertia \( I \) of a solid disc about its center is given by:
\[
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