An equiconvex lens is placed on another equiconvex lens The

Last updated: 6/21/2023

An equiconvex lens is placed on another equiconvex lens The radii of curvatures of the two surfaces of the upper lens are 50 cm and those of the lower lens are 100 cm The waves reflected from the upper and lower surface of the air film formed between the two lenses interfere to produce Newton s rings Calculate the radii of the dark rings Assume X 6000 A Ans 0 0447 m cm