Solution: The intensity of light with wavelength traveling through a diffraction grating
Chapter 7, Problem 43(choose chapter or problem)
The intensity of light with wavelength traveling through a diffraction grating with N slits at an angle is given by Isd N 2 sin2 kyk 2 , where k sNd sin dy and d is the distance between adjacent slits. A helium-neon laser with wavelength 632.8 3 1029 m is emitting a narrow band of light, given by 21026 , , 1026 , through a grating with 10,000 slits spaced 1024 m apart. Use the Midpoint Rule with n 10 to estimate the total light intensity y1026 21026 Isd d emerging from the grating.
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