Physics 2 Final - Part 2 of 2
SAMPLE
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34. Wave Optics / Diffraction / Problem 17
A laser beam with a wavelength of 400 nm is directed at an angle of 20° to the normal diffraction grating. The grating has 3000 lines per mm. Determine the angles at which the first-order maxima occur. [Hint: d (sin Φ + sin θ) = ±m λ]
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