For a convex mirror, the value of u is always …………… and the value of v is ……………

1. positive, positive
2. positive, negative
3. negative, negative
4. negative, positive

A real and enlarged image can be obtained by using a:

1. convex mirror
2. plane mirror
3. concave mirror
4. either convex or plane mirror

The type of mirror used as a shaving mirror in daily life is :

1. plane mirror
2. convex mirror
3. concave mirror
4. parabolic mirror

Which mirror always forms a diminished image for all positions of the object placed in front of it ?

1. plane mirror
2. convex mirror
3. concave mirror
4. parabolic mirror