Question

Two convex lenses that are apart four times their focal length. The object is two focal lengths from the initial lens.

a) Ray trice and find the image

b) Is the image real or virtual

c) Is the image upright or inverted

d) What is the magnification of the image

e) Put the lenses two focal points apart instead of four. What happens the image now? For two identical positive focal length lenses separated by four times their focal lengths for an object two focal lengths from the first lens. What is the magnification? What would happen if the lenses were separated by twice their focal lengths?

Answer 1