At what distance from a convex mirror of focal length 2.5 m should a body stand so that his image has a height equal to half the original height ? The height of object is perpendicular to the principal axis .

Explanation

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

### Step 1: Understand the Problem
We need to find the distance at which an object should be placed in front of a convex mirror so that the height of the image is half the height of the object. The focal length of the convex mirror is given as 2.5 m.

### Step 2: Use the Magnification Formula
The magnification (m) for mirrors is defined as:
\[ m = \frac{h'}{h} \]
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