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(ii) A beam of light consisting of red, blue and yellow is incident on the prisms as shown below.Complete the diagram to show refracted and emergent rayR+B+Y |
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Answer» Ray AB is incident normally as shown in fig. (a), so dispersion does not happen in the prism. But, the emergent beam gets dispersed. In Fig. (b), dispersion occurs both inside and outside the prism as the ray is incident at an angle on the prism. Like my answer if you find it useful! |
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