You have been given a spherical glass object. On which surface would you apply the silver coating to make it a concave mirror?
What do you understand by the focus and focal length of a spherical mirror ? Show them on the separate diagrams for each of a concave mirror and a convex mirror.
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?