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Please write clearly

Posted: Mon May 02, 2022 4:29 pm
by answerhappygod
Please write clearly
Please Write Clearly 1
Please Write Clearly 1 (9.78 KiB) Viewed 23 times
4) Light of wavelength 725 nm is incident on a slit of width 0.25 mm, and a diffraction pattern is produced on a screen. Find the angle for the third dark fringe. (Inm=10^-9m, 1mm=10^-3m)