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In the refraction of light through a triangular prism (as in Fig. 10.4 of the chapter), the incident ray is labelled

Question
In the refraction of light through a triangular prism (as in Fig. 10.4 of the chapter), the incident ray is labelled
EF
FS
PE
AC
Answer
PE
Detailed Explanation
In the chapter's figure, PE is the incident ray, EF is the refracted ray inside the prism, and FS is the emergent ray.
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