Physics, 12.09.2021 01:40, jpatte2oye8qv

7) A ray of light incident normally on one of the face of a prism of angle 30°. The value of first refracted angle r, is
(a)26° b) o c) 60' d) 30°

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7) A ray of light incident normally on one of the face of a prism of angle 30°. The value of first...