If the refractive index of a medium in air is 2.0, what is the critical angle for this medium?
30o
42o
45o
50o
Correct answer is A
sin c = \(\frac{1}{n}\) = \(\frac{1}{2}\) c = sin-1\((\frac{1}{n})\) = 30o
Situational Judgement Questions and Answers
Quantitative Reasoning Questions and Answers
Abstract Reasoning Questions and Answers
Verbal Reasoning Questions and Answers
Microsoft Office Questions and Answers
Nigeria General Knowledge Questions and Answers
Puzzles Questions and Answers
Logical Reasoning Questions and Answers
Numerical Reasoning Questions and Answers
Data Interpretation Questions and Answers
Personality Test
Typing Speed and Accuracy Test
Spatial Reasoning Questions and Answers
See all →