(8%) Problem 7 – Consider a laser that has a wavelength 690 nm. If
The laser travels through N = 4680 difraction grating
lines/cm. You will see a pattern of diffraction on R =
1.39 m from the grating. Don’t assume that the angles are too small.
33% (a) What angle will you place the first from the maximum central limit?
Maximum be observed? Your answer should be in degrees 33% Part (b).
The distance from the center maximum to the first screen is
Do you want to order the highest? Your answer should be in meters. 3.3% (c) How much is this?
The total amount of bright fringes you will see on any major screen
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