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Light from an argon laser strikes a diffraction grating that has 5,816 lines per cm. The...

Light from an argon laser strikes a diffraction grating that has 5,816 lines per cm. The central and first-order principal maxima are separated by 0.5 m on a wall 1.52 m from the grating. What is the wavelength of the laser light in nm?
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Answer #1

ans is 536 nm

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