Physics
Physics, 06.12.2019 17:31, brayann5761

Adiffraction grating is illuminated simultaneously with red light of wavelength 660 {\rm nm} and light of an unknown wavelength. the fifth-order maximum of the unknown wavelength exactly overlaps the third-order maximum of the red light. what is the unknown wavelength? (in nm)

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Adiffraction grating is illuminated simultaneously with red light of wavelength 660 {\rm nm} and lig...

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