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visible light of wavelength 542.6 nm is incident on a diffraction grafting with d = 3,989...

visible light of wavelength 542.6 nm is incident on a diffraction grafting with d = 3,989 nm. At what angle, in degrees, with respect to the central maximum is the 2 order maximum observed? please round to one decimal place.

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Answer #1

..d Sino=no Givend=542. 6um = 542.6810-9 m d = = 3989 nm 3989810 0-9 m n 2 =) Sino=nA= 2x 542.6 đ 3999 -) 0 : 15.786 15.8

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