Which spherical mirror will be bent inward ?

Which spherical mirror will be bent outward ?

All the distance related to spherical mirrors will be measured from……..

The centre of sphere to which a spherical mirror belongs, is called

What is a spherical mirror? Give different types of spherical mirrors.

If the spherical mirrors were not known to human beings, guess the consequences.

Does focal length of the spherical mirror changes when it is completely immersed in water? Predict and write the reason.