Discuss a similarity and a difference between the spectrum formed by a diffraction grating (a large number of slits) and that formed by just a double slit.

Name: Discuss a similarity and a difference between the spectrum formed by a diffraction grating (a large number of slits) and that formed by just a double slit.
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Question

Quizplus · Accepted Answer

The Answer is The maxima of both satisfy d sin(θ) = nλ, but the fringes formed by the grating are much sharper (narrow).

Discuss a Similarity and a Difference Between the Spectrum Formed