Can you explain how reflection from the two mirrors enables you to see objects which are not visible directly?

Explanation

### Step-by-Step Solution:

1. **Understanding the Problem**: The question asks how two mirrors can help us see an object that is not directly visible. This situation often arises when there are obstacles, like walls, blocking our line of sight.

2. **Introduction to the Periscope**: A periscope is a device that allows us to see objects that are out of our direct line of sight. It typically consists of two mirrors positioned at specific angles.

3. **Setting Up the Periscope**: In a periscope, two plane mirrors are placed parallel to each other at 45-degree angles. One mirror is positioned at the top and the other at the bottom.

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