The mirror has a perfectly flat and smooth surface, so everything in it is reflected directly. If a person is facing the reflection directly, then the beam of light, entering his eye, moves in a straight line and is reflected from the surface in a straight line too. The law of reflection is valid: the angle of incidence is equal to the angle of reflection.
Attention! The law of wave optics is valid for perfectly reflective surfaces. This is the surface that the mirror has.
How the mirror displays
Everyone who looks into it sees its reflection. If at this time he is waving himself with his right hand, then his reflection will wave at him from the same side. The chair behind the left in the mirror also stands behind the left. If, on the contrary, a living person becomes face to face, then his right and left will change. In this case, by waving with his right hand, the one opposite will make it with his left.
Why does a mirror change left and right
Why, looking in a mirror, it seems that the reflection is asymmetrical and waves to him not with his right, but with his left hand, while the head and legs remain in their usual places? The point is the law of gravity acting on humanity. Seeing their reflection, in the brain of people, mental movement takes place to the place opposite.
Without realizing it, all earthlings imagine how they walk with their feet, turn around, as is characteristic of people, and stand opposite to themselves. This is where the deceptive feeling of asymmetry is created. At the same time, in whatever direction of the world they turn, all directions of movement are equivalent for them. The person moves mentally in the position of "head - from above, legs - from below", and he does not represent any other position of his body.
Confusion with asymmetry is easier to understand by the example of a sheet with text. The sheet with the text turned to the mirror reflects it not from left to right, but in the opposite direction. The logic in this case deceives people. The text is reflected correctly, as a person holds it relative to their eyes. If you take a transparent sheet with text written in black felt-tip pen, turn it towards you, as it should be, then the reflection of the text will be correct and it will be easy to read. In other words, it was not the mirror that turned the sheet, but the man himself.
Why the mirror does not change the top and bottom
The people of planet Earth are affected by the law of gravity; therefore, in their consciousness there is an axis-perpendicular to the surface of the earth, a parallel to the force of attraction. Therefore, they do not care where their legs and head are. All turns are considered by them relative to the perpendicular axis. If the earthlings moved relative to the horizontal axis, jumping to the desired point, for example, upside down, they would have thought that the reflection had a head below and feet above.
Asymmetry is a psychological illusion expressed by the presence of an axis not in a mirror, but in the mind of a person, which in turn creates an asymmetric illusion of rotation in space. All together caused by the presence of pronounced gravity on planet Earth.
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