When an object is placed at a distance of `60 cm` from a convex spherical mirror, the magnification produced is `1//2`. Where should the object be placed to get a magnification of `1//3` ?

Explanation

To solve the problem step by step, we will follow the concepts of magnification and the mirror formula for a convex mirror.

### Step 1: Understand the given data
We know that when the object is placed at a distance of \( U_1 = -60 \, \text{cm} \) from the convex mirror, the magnification \( M_1 = \frac{1}{2} \).

### Step 2: Use the magnification formula
The magnification \( M \) for mirrors is given by:
\[
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