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Single-Slit Diffraction
a
sin
θ
=
mλ
Condition for destructive interference (dark fringes) in single-slit diffraction. m = ±1, ±2, ...
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Variables
a
Slit width
m
\theta
Angle to minimum
°
m
Order number (m ≠ 0)
unitless
\lambda
Wavelength
m
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