APFIVE Single-Slit Diffraction Minimum
In a single-slit diffraction experiment, light of wavelength λ passes through a slit of width a. The first diffraction minimum is observed at an angle θ relative to the central maximum. Which equation correctly relates these variables?
A
a·sin(θ) = λ
B
a·cos(θ) = λ
C
a·sin(θ) = 2λ
D
a·sin(θ) = λ/2
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