Physics, 06.03.2022 05:40 jamesgutierrez
Light emitted by element X passes through a diffraction grating having 1200 lines/mm. The diffraction pattern is observed on a screen 75.0 cm behind the grating. Bright fringes are seen on the sceen at distances of 56.2 cm,65.9 cm, and 93.5 cm from the central maximum. What are wavelegths of light emitted by the unknown element?
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