A concave spherical lens with radius of curvature of 0.2 m is filled with water.What is focal length of this lens system?Refractive index of water=4/3.Explain the ans.
A concave spherical lens with radius of curvature of 0.2 m is filled with water.What is focal length of this lens system?Refractive index of water=4/3.Explain the ans.