A beam of light consisting of consists of three. namely red (R), Green (G) and yellow (Y) on the prism as shown below. Complete the diagram to show refracted and emergent ray.
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Ray AB is incident normally as shown in fig.
- So dispersion does not happen in the prism. But, the emergent beam gets dispersed. In Fig.
- Dispersion occurs both inside and outside the prism as the ray is incident at an angle on the prism.
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