If you look at yourself through a concave mirror you may see your image up-side-down or up-right depending on how far you are from the mirror. Have you ever tried to use the concave side of a shining tablespoon as a mirror? You would see yourself up-right when

A. you are very close to the tablespoon, inside the focal point.

 

B. you are far from the tablespoon, beyond the focal point

2. On some department stores we may see security mirrors. These mirrors are convex. Why?

A. Because they are cheaper than concave and flat mirrors.

 

B. Because they reproduce objects increased in size for better view.

 

C. Because they reproduce a larger field of view or the surroundings.