cse • paper_1 • waves_oscillations
[UPSC CSE 2020] Geometrical Optics (Q132, 15M)
State and explain Fermat's principle of extremum path. Discuss the cases of rectilinear propagation of light and reversibility of light rays in context of Fermat's principle. Using Fermat's principle, deduce the thin lens formula.
Discussion (0)
Sign in to post a solution, derivation, or discussion.
No comments yet. Start the conversation!