Physics, 31.08.2019 00:30 lee9724

Red laser light from a he-ne laser (λ = 632.8 nm) creates a second-order fringe at 53.2° after passing through the grating. what is the wavelength λ of light that creates a first-order fringe at 22.0°?

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Red laser light from a he-ne laser (λ = 632.8 nm) creates a second-order fringe at 53.2° after passi...

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