Mirrors and lenses

When i look at myself in a mirror, i see a picture of myself which is not a true picture, but a mirror image. When i wink my right eye, the left eye of my mirror image winks back. If i left my right arm, my mirror image lifts the left. Try it and see.

Ordinary mirrors are flat but some mirrors are curved. Shaving mirrors curve like the inside of a saucer. When i look into a shaving mirror, my face look bigger than usual. The mirrors has magnified my face.

Other curved mirrors can make i look smaller, taller, fatter, thinner and even upside-down. Try it with a spoon, since the curved top and bottom surfaces of a spoon make good mirrors. Hold the spoon in front of you in different positions and see how my image changes. What difference do i notice between the front and back of the spoon?