Question: White light strikes? (a) A diffraction grating, and (b) A Prism, A rainbow appears on a wall just below the direction of the horizontal incident

White light strikes?
(a) A diffraction grating, and
(b) A Prism, A rainbow appears on a wall just below the direction of the horizontal incident beam in each case. What is the color of the top of the rainbow in each case? Explain.

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a The color at the top of the rainbow for the diffraction grating is violet The eq... View full answer

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