Determine what is the unknown wavelength

Reference no: EM13560832

For a wavelength of 420nm, a diffraction grating produces a bright fringe at an angle of26°. For an unknown wavelength, the same grating produces abright fringe at an angle of 50°.In both cases the bright fringes are of the same order m. What is the unknown wavelength?

Reference no: EM13560832

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