Optics & Waves
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Diffraction Grating

Condition for constructive interference maxima.

Formula

dsin⁡θ=mλd\sin\theta = m\lambda

Variables

dSlit spacing
\thetaAngle
mOrder
\lambdaWavelength

Did You Know?

A CD acts as a diffraction grating, splitting white light into rainbows across its shiny surface.

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