Post Utme Nile University 2018 Physics Question 4

Practice objective / multiple choice question 4 from the 2018 Post Utme Nile University Physics examination.

Post Utme Nile University 2018 Physics Objective / Multiple Choice
Question 4 POST_UTME_NILE_UNIVERSITY • 2018 • PHYSICS • objective
Post Utme Nile University 2018 Physics Question 4 diagram

A ray of light passes from air into a glass slab of re\fractive index $\mu$ at an angle of incidence $\theta_i$. If the angle of re\fraction is $\theta_r$, what is the value of the angle of incidence $\theta_i$?

Answer Options

A. \sin^{-1}\left\( \frac{\sin\theta_r}{\mu}\right \)
Correct Answer B. \sin^{-1}\left\( \frac{\sin\theta_i}{\mu}\right \)
C. \sin^{-1}\left\( \frac{\sin\theta_r}{\mu}\right \)
D. \sin^{-1}\left\( \frac{\sin\theta_i}{\mu}\right \)
Correct Answer
B
Correct Option:
\sin^{-1}\left\( \frac{\sin\theta_i}{\mu}\right \)

About This Question

This is Post Utme Nile University 2018 Physics Question 4. It is one of the objective questions from the 2018 Post Utme Nile University Physics examination.

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