A blue-violet DPSS and a green Kr-Ar laser shine through a diffraction grating with 60 lines per millimeter. The blue-violet laser has a wavelength of 405 nm while the green laser has a wavelength of 515 nm. The distance between the central bright spot and the firstgreen fringe is 2.10 cm. The small angle approximation can be assumed in this question.n = 2n = 1n = 1Central bright spotPart AWhat is the distance (in centimeters) between the screen and the diffraction grating?Vo AEO?D =стSubmitRequest AnswerPart BHow far from each side of the first bright green fringe is a blue-violet fringe located? (Find ri and r2 on the screen illustrated above)ν ΑΣφ?T1, 72 =ст

Given that:N=60 lines/mm= 60×103 lines/mλb=405 nm=405 ×10-9 mλg=515 nm=515 ×10-9 my1,green=2.10…

Answered: A blue-violet DPSS and a green Kr-Ar…

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