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Study Questions

# Study Questions - 1 In a Young's two-slit experiment light...

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1. In a Young's two-slit experiment, light rays from the two slits that reach the second minimum on one side of the central maximum travel distances that differ by… Solution: The central maximum corresponds to the integer m = 0 in the constructive interference equation l = m λ , meaning that the path lengths are exactly equal. The first minimum (destructive interference) to one side is caused by path lengths that differ by λ 2 . Going to the next minimum adds another wavelength to the path length difference. So for the second minimum, the total path length difference is λ 2 + λ = 3 λ 2 .Coherent monochromatic light of wavelength _ passes through a pair of slits separated by distance d , to produce a pattern of maxima and minima a distance L away from the slits. What would cause the separation between adjacent minima to decrease? (Choose all that apply.) Solution: The equations we are interested in considering are the two-slit interference equation,

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