Terms related to lens are given below ? Complete the questions using these terms ?
( Pole , Focal length , Centre of curvature , Pricipal axis )
The distance between pole to focus is called ……………

Terms related to lens are given below ? Complete the questions using these terms ? ( Pole , Focal length , Centre of curvature , Pricipal axis ) The midpoint of a lens is called ……………….

Terms related to lens are given below ? Complete the questions using these terms ? ( Pole , Focal length , Centre of curvature , Pricipal axis ) The centre of Imaginary spear of two sides of the lens is called …………….

Terms related to lens are given below ? Complete the questions using these terms ? ( Pole , Focal length , Centre of curvature , Pricipal axis ) Imaginary line passing through the centre of curvature of the lens is called …………….