When we see an object, a real inverted image is formed on the retina. How?

How do the following process occur: When we see an object, a real inverted image is formed on the retina?

For what position of an object, a real and diminished image is formed by a concave mirror.

A concave mirror of focal length 10 cm is placed at a distance 35 cm from a wall. How far from the wall should an object be placed so that its real image is formed on the wall ?

Draw a ray diagram for which an enlarged, real and inverted image is formed by a concave mirror.

In an ecperiment to determine the focal length of a convex, lens a student obtained a sharp inverted image of a distant tree on the screen behind the lens. She then removed the screen and looked throught the lens in the direction of the object she will see

Can we see inverted image in any mirror ?