A 9500 linecm grating reveals that a beam of light contains, Ask an Expert

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A 9500 line/cm grating reveals that a beam of light contains three different wavelengths. When the light strikes the grating at normal incidence, the first-order spectrum shows three peaks at angles of 1) 31.5°,2) 37.5°, and 3) 43.5°.

What are the wavelengths for each angle?

If the light had been composed of light with wavelengths of 1) 480 nm, 2) 580 nm, 3)680 nm, at what angle would the first-order peak of each of these wavelengths appear?

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Category:- Physics
Reference No.:- M91039101

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