Mirrors work by reflecting light. When light hits a mirror, it bounces back off of it in the same direction that it came from. This is because the surface of a mirror is very smooth, and there are no bumps or imperfections that would cause the light to scatter in different directions.

The angle at which light hits a mirror is the same angle at which it reflects off of it. This means that if you shine a light directly at a mirror, the light will bounce back directly towards you. If you shine a light at a mirror from an angle, the light will bounce back at the same angle.

The image that you see in a mirror is actually a reflection of you and your surroundings. When light from your surroundings hits the mirror, it bounces back towards you, and your eyes see the reflected light. This is why you see yourself in a mirror.

Mirrors are used for many different things, including:

* Seeing your reflection

* Checking your appearance

* Putting on makeup or shaving

* Inspecting yourself for injuries

* Taking pictures

* Creating optical illusions

Mirrors are an important part of our everyday lives, and they play a role in many different activities.