Question

Question 12 5 pts A beam of light that consists of a mixture of red light (1 = 694 nm in vacuum) and violet light (X = 441 nm in vacuum) falls on a grating with d = 1,661 nm. Find the angular separation, in degrees, of the second-order maxima (i.e., the difference between the angles at which the second-order maxima of the two wavelengths form if the experiment takes place in a vacuum). Please round your answer to one decimal place.

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Answer 1

(n=2) ( Second ander maxima) zdsino= ny 2d smo. Red = (2) X Red 211661) SMOR 2x694) OR = Sin-1/2x694 = 24.697° 2x1661 2d sin o Wiclet - (?) violet 2(1661) Sino Violet E12) (441) Oviolet = Sin12x441 2x 1661 = 15.397° OR- Or = 24.697° 15.397° = 19.3

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