Post Utme Noun 2021 Physics Question 28

Practice objective / multiple choice question 28 from the 2021 Post Utme Noun Physics examination.

Post Utme Noun 2021 Physics Objective / Multiple Choice
Question 28 POST_UTME_NOUN • 2021 • PHYSICS • objective

A ray of light passes from air into a glass slab of thickness $t$ and re\fractive index $n$. If the angle of incidence is $\theta_i$, what is the angle of re\fraction?

Answer Options

A. $\theta_i$
B. $\frac{\theta_i}{n}$
Correct Answer C. $\frac{n\theta_i}{n-1}$
D. $\frac{n-1}{n}\theta_i$
Correct Answer
C
Correct Option:
$\frac{n\theta_i}{n-1}$

About This Question

This is Post Utme Noun 2021 Physics Question 28. It is one of the objective questions from the 2021 Post Utme Noun Physics examination.

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