Coherent light of frequency 6.30×1014 Hz passes through two thin slits and falls on a screen 85.0 cm away. You observe that the third bright fringe occurs at ± 3.14 cm on either side of the central bright fringe. How far apart are the two slits? d=?mm At what distance from the central bright fringe will the third dark fringe occur? y=?cm

Coherent light of frequency 6.30×1014 Hz passes through two thin slits and falls on a screen 85.0 cm away. You observe that the third bright fringe occurs at ± 3.14 cm on either side of the central bright fringe. How far apart are the two slits? d=?mm At what distance from the central bright fringe will the third dark fringe occur? y=?cm

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