Physics
Physics, 03.02.2020 09:45, BlueWaaaazzzBerry

Alight with a second-order dark band forms a diffraction angle of 20.0°. the diffraction grating has 200.0 lines per mm. the wavelength of the light, to the nearest whole number, is nm.

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Alight with a second-order dark band forms a diffraction angle of 20.0°. the diffraction grating has...

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