An air bubble in glass at a distance 3 cm from a convex

Last updated: 6/8/2023

An air bubble in glass at a distance 3 cm from a convex surface of diameter 10 cm as shown The distance from surface at which the image of bubble appears is 1 2 5 cm 3 4 cm 1 5 3cm 2 5 cm 4 1 5 cm 1