If the image formed is always virtual, the mirror can be :

Whatever be the position of the object, the image formed by a mirror is virtual, erect and smaller than the object. The mirror then must be :

The mirror used by a dentist to examine the teeth of a person is :

A concave mirror cannot be used as :

A boy is standing in front of and close to a special mirror. He finds the image of his head bigger than normal, the middle part of his body of the same size, and his legs smaller than normal. The special mirror is made up of three types of mirrors in the following order from top downwards :