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Physics · Oct / Nov 2017 · Paper 12 · Question 21

5054Refraction of light

Light is incident on a plastic block of refractive index 1.5. The angle of incidence is 50°. What is the angle of refraction?

  1. A31°
  2. B33°
  3. C40°
  4. D75°

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Correct answer: A. 31°

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