Focal length of a convex lens of refractive index 1 5 is 2

Last updated: 6/26/2023

Focal length of a convex lens of refractive index 1 5 is 2 cm Focal length of lens when immersed in a liquid of refractive index 1 25 will be 1 5 cm 3 10 cm 2 7 5 cm 4 2 5 cm