Solved: Take red light at 700 nm and violet at 400 nm as
Chapter , Problem 46(choose chapter or problem)
Take red light at 700 nm and violet at 400 nm as the ends of the visible spectrum and consider the continuous spectrum of white light formed by a diffraction grating with a spacing of d meters between adjacent lines. Show that the interval uv 2 # u # ur2 of the continuous spectrum in second order must overlap the interval uv 3 # u # ur3 of the third-order spectrum. Note: uv2 is the angle of the violet light in second order, and ur2 is the angle made by red light in second order.
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