smbakali Asked: January 2023 the focal length of a combination of convex lens of power 1 diopter and concave lens of power 15 diopter is
smbakali Asked: January 2023 Find by construction the position of a lensand the main focii on the principal axis 00'if A1, B1,, A2, B2, are respectively
smbakali Asked: December 2022 how to draw a straight line if the slope and points are given i shall give brainlist for correct answer plz fast