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zzizi
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Homework Statement
Hi
Could someone explain to me... if a diffraction experiment that had a plane grating on it was submerged into water...why the diffracted light would produce extra angles that are wider and narrower than if the experiment had been carried in air?
Homework Equations
Snells law?
The Attempt at a Solution
Does it have something to do with refraction?
I would really appreciate an explanation, thanks.