Post Utme Eksu 2025 Physics Question 2

Practice objective / multiple choice question 2 from the 2025 Post Utme Eksu Physics examination.

Post Utme Eksu 2025 Physics Objective / Multiple Choice
Question 2 POST_UTME_EKSU • 2025 • PHYSICS • objective

A light ray passes from air into a glass block at an angle of incidence of 30°. If the angle of re\fraction is 20°, what is the re\fractive index of the glass?

Answer Options

Correct Answer A. \( n = \frac{\sin 30°}{\sin 20°} \)
B. \( n = \frac{\sin 20°}{\sin 30°} \)
C. \( n = \frac{\sin 30°}{\sin 20°} + 1 \)
D. \( n = \frac{\sin 20°}{\sin 30°} - 1 \)
Correct Answer
A
Correct Option:
\( n = \frac{\sin 30°}{\sin 20°} \)

About This Question

This is Post Utme Eksu 2025 Physics Question 2. It is one of the objective questions from the 2025 Post Utme Eksu Physics examination.

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