Question

1. A He-Ne laser beam (λ = 632.8 nm) is incident on two slits d=0.8 mm apart. The distance between the double slits and the screen is L=3.2m.

(i) What is the phase difference (in degrees) between the waves from the two slits arriving at a point y=2mm from the central maximum?



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Answer 1

Answer:

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Answer 2

Answer:

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Explanation:

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