Two thin symmetrical lenses of different nature and of

Last updated: 6/14/2023

Two thin symmetrical lenses of different nature and of different materials have equal radii of curvature R 15 cm The lenses are put close together and immersed in water w 4 3 The focal length of system in water is 30 cm The difference between refractive indices of two lenses is 3 1 IN 13 3