What is a real image? Name the mirror which can be used to obtain the real image of an object. What should be the position of the object relative to the mirror?

State two uses of a concave mirror.

Name the kind of mirror used to obtain:

(a) a real and enlarged image,

(b) a virtual and enlarged image,

(c) a real and diminished image, and

(d) a virtual and diminished image.

Describe an experiment to show that a light ray bends when it passes from one transparent medium into another transparent medium.