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12-02-2024
Physics

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For your science fair project you need to design a diffraction grating that will disperse the
visible spectrum (400 –700 nm) over 30.0
◦
in first order.
(a) How many lines per millimeter does your grating need?
(b) What is the first-order diffraction angle of light from a sodium lamp (λ = 589 nm)?

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