There are hand-held spectrometers which will separate the colors of light into a "rainbow" using a diffraction grating. Using a single-slit arrangement will provide a MUCH less precise separation - but let's explore what that would do. The width of our single slit will be0.1 mm. (a) What is the angular width (in degrees) of the central maximum of red light (λ=700 nm) ?

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There are hand-held spectrometers which will separate the colors of light into a "rainbow" using a diffraction grating. Using a single-slit arrangement will provide a MUCH less precise separation - but let's explore what that would do. The width of our single slit will be0.1 mm.

(a) What is the angular width (in degrees) of the central maximum of red light (λ=700 nm) ?

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