Question

find the focal length of diverging mirror whose radius of curvature is 32cm​

Answer 1

$\setlength{\unitlength}{1 cm}\begin{picture}(6,6)\thicklines\put(0,0){\line (1,0){3}}\put(0,0){\line (-1,3){0.8}}\put (3,0){\line (1,3){0.8}}\put (-0.8,2.35){\line (1,1){2.3}}\put (3.8,2.35){\line (-1,1){2.3}}\put (-0.4,-0.15){\sf C}\put(3.1,-0.15){\sf D}\put (-1.15,2.35){\sf B}\put (4,2.35){\sf E}\put (1.36,4.71){\sf A}\end {picture}$