The vertical displacement of light rays parallel to the axis

Last updated: 6/24/2023

The vertical displacement of light rays parallel to the axis of a lens is measured as a function of the vertical displacement h of the incident ray from the principal axis a shown in the figure a The data is plotted in figure b The distance D from the lens to the screen is 1 0 m If the focal length of the lens for paraxial rays is 10 K c then what is K Screen 1 lens D Figure a d cm NO 2 2 1 h cm Figure b