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Author Question: Monochromatic light from a He-Ne laser ( = 632.8 nm) is incident on a diffraction grating containing ... (Read 327 times)

Cooldude101

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Question 1

Light reflected off a plate-glass window (n = 1.5) is found to be completely polarized at angle-of-incidence θ. Find θ.

56.3°

5.7°

21.2°

18.6°

33.7°


Question 2

Monochromatic light from a He-Ne laser (λ = 632.8 nm) is incident on a diffraction grating containing 5000 lines/cm. Determine the angle of the first-order maximum.

18.4°

39.2°

14.6°

27.7°

13.9°


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Marked as best answer by Cooldude101 on Aug 10, 2020

mrphibs

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