Compute the distance between first-order red and blue fringe

Reference no: EM13295070

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 530lines/ mm, and the light is observed on a screen 1.70 m behind the grating.

1. What is the distance between the first-order red and blue fringes?

Reference no: EM13295070

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