What type of lens should be used to rectify the aforsaid defect?
A. Convex lens
B. concave lens
C. convexo – concave lens
D. plano – concave lens
Answer:C
What type of lens should be used to rectify the aforsaid defect?
A. Convex lens B. concave lens C. convexo – concave lens D. plano – concave lens