A beam of light is incident from air to water at an angle of 30
PHYSICS
JAMB 1993
A beam of light is incident from air to water at an angle of 30oC. Find the angle of refraction if the refractive index of water is \(\frac{4}{3}\)
- A. 15oC
- B. 18oC
- C. 22oC
- D. 24oC
Correct Answer: C. 22oC
Explanation
\(\frac{4}{3}\) = \(\frac{sin30}{sinr}\)
r = 22oC
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