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A beam of light is incident from air to water at an angle of 30oC....

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
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Correct Answer: Option C
Explanation
\(\frac{4}{3}\) = \(\frac{sin30}{sinr}\)

r = 22oC
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