Question

find the focal length of the convex mirror which produces an image 16 of the size of the object located 12 cm from the mirror​

Answer 1

Answer:

image (v)=16cm object(u)= -12cm (take - because convex mirror) f = 1/f = 1/v + 1/u 1/f = 1/16 +(-12) = 1/16 - 1/12= 4/192= 1/4 f= 4cm