1. Light enters the periscope: Light rays from the object you want to see enter the periscope through the top opening (the objective lens).
2. First reflection: These light rays hit the first mirror, which is angled at 45 degrees. This angle causes the light rays to reflect 90 degrees, changing their direction.
3. Traveling through the tube: The reflected light rays travel down the tube of the periscope.
4. Second reflection: The light rays then hit the second mirror, also angled at 45 degrees. This mirror reflects the light rays another 90 degrees, directing them upwards.
5. Exiting the periscope: The light rays finally exit the periscope through the bottom opening (the eyepiece) and enter your eye.
Essentially, the periscope uses two mirrors to bend the path of light, allowing you to see objects around corners or over obstacles.
Here's a simple analogy: Imagine you're looking at a picture on a wall. You can see it directly. Now, imagine you put a mirror in front of you. You can now see the reflection of the picture in the mirror, even though you can't see the picture directly. A periscope uses two mirrors to create this "reflection effect," but instead of a wall, it allows you to see objects that are further away and hidden from your direct view.
