focal length of a concave lens is 2inches what is the diameter?
sanashreya
Asked:
December 2022
as there are 2 types of lenses, if the focal length of a concave lens is 1 or 2 inches what will be the diameter?
sanashreya
Asked:
December 2022
Find the number that should be subtracted from 423 to make it a multiple of 12,14 and 15