Homework Statement An object is in the focal length of a convex lens. As the object is moved from the focus towards the lens, what happens to the object? Homework Equations 1/f=1/d0+1/di The Attempt at a Solution I know how to solve this problem using ray diagrams, and the solution...
Before discussing the regulation method, the relationships between these coeffi- cients and the opening angle and the depth of the depression are concerned at first, which are shown in Figure 6 in different colors, where Figure 6a–c intuitively give the two-dimensional structure diagrams when ...