Fill in the following blanks with suitable words.
(a) Parallele rays of light are reflected by a concave mirror to a point called the……………
(b) The focal length of a concave mirror is the distance from the …………to the mirror.
( c) A concave mirror................rays of light wheres a convex mirror..............rays of light.
(d) For a convex mirror, parallel rays of light appear to diverge from a point called the ...........................

Answer

(a) principal focus (b) principal focus ( c) converges ; diverges (d) prinipal focus