Double-Slit Interference: In a two-slit experiment, monochromatic coherent light of wavelength 600 nm passes through a pair of slits separated by 2.20 × 10-5 m. At what angle away from the centerline does the first bright fringe occur?
A. 1.56°
B. 2.22°
C. 3.12°
D. 4.70°
E. 6.24°
Answer: A
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