Post Utme Ksu 2019 Physics Question 13

Practice objective / multiple choice question 13 from the 2019 Post Utme Ksu Physics examination.

Post Utme Ksu 2019 Physics Objective / Multiple Choice

Question 13 POST_UTME_KSU • 2019 • PHYSICS • objective

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

Correct Answer A. \sin^{-1} \frac{n}{n_{air}} \sin \theta'

B. \sin^{-1} \frac{n_{air}}{n} \sin \theta'

C. \sin^{-1} \frac{n}{n_{air}} \cos \theta'

D. \sin^{-1} \frac{n_{air}}{n} \cos \theta'

Correct Answer

Correct Option:

\sin^{-1} \frac{n}{n_{air}} \sin \theta'

This is Post Utme Ksu 2019 Physics Question 13. It is one of the objective questions from the 2019 Post Utme Ksu Physics examination.

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