Post Utme Ims U 2020 Physics Question 18

Practice objective / multiple choice question 18 from the 2020 Post Utme Ims U Physics examination.

Post Utme Ims U 2020 Physics Objective / Multiple Choice
Question 18 POST_UTME_IMS_U • 2020 • PHYSICS • objective

A beam of light is incident on a prism with an angle of incidence $i = 30^circ$. If the re\fractive index of the prism is $n = 1.5$, what is the angle of re\fraction $r$?

Answer Options

A. \( r = i \)
B. \( r = 2i \)
Correct Answer C. \( r = \sin^{-1} left\( \frac{n \sin i}{n + \sin i} \right \ \) )
D. \( r = \sin^{-1} left\( \frac{n \sin i}{n - \sin i} \right \ \) )
Correct Answer
C
Correct Option:
\( r = \sin^{-1} left\( \frac{n \sin i}{n + \sin i} \right \ \) )

About This Question

This is Post Utme Ims U 2020 Physics Question 18. It is one of the objective questions from the 2020 Post Utme Ims U Physics examination.

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