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10 cards from this deck
Reflection, refraction, diffraction, interference
δ=dsinθ\delta = d\sin\thetaδ=dsinθ
dsinθ=mλd\sin\theta = m\lambdadsinθ=mλ
dsinθ=(m+12)λd\sin\theta = (m + \frac{1}{2})\lambdadsinθ=(m+21)λ
asinθ=mλa\sin\theta = m\lambdaasinθ=mλ (m = ±1, 2, 3, ...)
Produces wider diffraction pattern
N=2m−1N = 2m - 1N=2m−1 where m=dam = \frac{d}{a}m=ad
Counts fringes from central maximum (m = 0, 1, 2, ...)
Produces sharper, thinner maxima
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