(a) What is a real image?

(b) What type of mirror can be used to obtain a real image of an object?

(c) Does the mirror mentioned in part (b) form real image for all locations of the object?

Name the kind of mirror used to obtain —

(a) a real and enlarged image,

(b) a virtual and enlarged image,

(c) a virtual and diminished image,

(d) a real and diminished image.

Write the spherical mirror's formula and explain the meaning of each symbol used in it.

State the kind of mirror used —

(a) by a dentist,

(b) as a search-light reflector.