Post Utme Abu 2021 Physics Question 38

Practice objective / multiple choice question 38 from the 2021 Post Utme Abu Physics examination.

Post Utme Abu 2021 Physics Objective / Multiple Choice

Question 38 POST_UTME_ABU • 2021 • PHYSICS • objective

A light ray passes through a prism with apex angle $\theta$ and is re\fracted at an angle $\phi$ to the normal. If the angle of incidence is $\alpha$, what is the angle of re\fraction?

Correct Answer A. \alpha - \phi

B. \alpha + \phi

C. \alpha - \theta

D. \alpha + \theta

Correct Answer

Correct Option:

\alpha - \phi

This is Post Utme Abu 2021 Physics Question 38. It is one of the objective questions from the 2021 Post Utme Abu Physics examination.

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