The image formed by a plane mirror is at a distance behind the mirror as..........

Explanation

To solve the question, "The image formed by a plane mirror is at a distance behind the mirror as...", we need to understand the properties of images formed by plane mirrors.

### Step-by-Step Solution:

1. **Understanding Plane Mirrors**: A plane mirror reflects light to form images. The characteristics of the image formed by a plane mirror include that it is virtual, upright, and the same size as the object.

2. **Distance of the Object from the Mirror**: Let's denote the distance of the object from the mirror as 'd'. If an object is placed at a distance 'd' in front of the mirror, we need to determine where the image will be formed.

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