The two most prominent wavelengths in the light emitted
Chapter 17, Problem 44(choose chapter or problem)
The two most prominent wavelengths in the light emitted bya hydrogen discharge lamp are 656 nm (red) and 486 nm (blue).Light from a hydrogen lamp illuminates a diffraction gratingwith 500 lines/mm, and the light is observed on a screen 1.50 mbehind the grating. What is the distance between the first-orderred and blue fringes?
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