2 8 A convex lens made of material of refractive index 1 5

Last updated: 6/11/2023

2 8 A convex lens made of material of refractive index 1 5 and having a focal length of 10 cm is immersed in a liquid of refractive index 3 0 The lens will behave as 1 converging lens of focal length 10 cm 2 diverging lens of focal length 10 cm 3 converging lens of focal length 10 3 cm 4 diverging lens of focal length 30 cm that