cse โข paper_1 โข waves_oscillations
[UPSC CSE 2001] Diffraction (Q279, 20M)
Parallel rays fall on circular aperture of diameter 1 mm. At a certain position of the screen one gets a dark spot on an axial point. When the screen is moved by 12.5 cm, one again gets a dark spot. Determine \gamma (wavelength).
Discussion (0)
Sign in to post a solution, derivation, or discussion.
No comments yet. Start the conversation!