Answer the following
(1) State the different positions of source of light with respect to concave mirror−
(a) in torches
(b) projector lamps
(c) food lights.
(2) What are the rules used for drawing ray diagrams for the formation of image by spherical mirror?
(3) What is meant by power of accommodation of eye?
(4) State the function of iris and ciliary muscles in human eye.
(5) If you are given a part of hollow spherical glass, how will you convert it into concave mirror?