Physics, 04.04.2020 02:35, gemiegenial15
The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656 nm(red) and 486 nm (blue). Light from a hydrogen lamp illuminates a diffraction grating with 520lines/mm , and the light is observed on a screen 1.5m behind the grating.
What is the distance between the first-order red and blue fringes?
Answers: 2
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The two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656 nm(red)...
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