CameraIcon
CameraIcon
SearchIcon
MyQuestionIcon
MyQuestionIcon
Question

56 A glass of convex lens( refractive index of glass = 1.5) has a focal length of 8 cm when placed in air. What would be the focal length of the lens when it is immersed in water ( refractive index of water = 1.33)? A 2m B 4cm. C 16cm D 32cm.

Join BYJU'S Learning Program
CrossIcon