[5" cm from the mirror "X" .Find the distance of the first "],[" three image formed in the mirror "X.],[" 50.An object is placed between two identical convex "],[" mirrors "X" and "Y" of focal length "15" cm at the mid "],[" point on their common principal axis.If the two "],[" mirrors are separated by a distance of "20cm," deter- "],[" mine the distance of the first two images formed in "],[" the mirror "Y.]