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A diffraction grating with 355 lines/mm is 1.2 m in front of a screen. What is...

A diffraction grating with 355 lines/mm is 1.2 m in front of a screen. What is the wavelength of light whose first-order maxima will be 16.4 cm from the central maximum on the screen?

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Answer #1

From Aht na n D n mm 2 m 2 2. o d mm 2.t71 1200 4 mm 3.4

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