White light 400-700 nm is incident on a 600 linemm
White light (400-700 nm) is incident on a 600 line/mm diffraction grating. What is the width of the first-order rainbow on a screen 2.0 m behind the grating?
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white light 400-700 nm is incident on a 600 linemm diffraction grating what is the width of the first-order rainbow on
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