Task 40543.
Image of a remote light source is projected onto the screen via lens L1 with focal length F1 = 20 cm. At a distance l = 10 cm this lens from a source placed second lens L2 with focal length F2 = 30 cm. In what direction and at what distance x need to move the screen to get it on again a sharp image of the source?
Detailed solution shorthand terms, formulas and laws used in the decision, the withdrawal of the calculation formula and the response.
If you have any questions to address, please. I´ll try to help.
No customer reviews yet.