Physics · May / June 2017 · Paper 11 · Question 28
Light strikes the top surface of a glass block at an angle of 15° as shown. The refractive index of glass is 1.5. What is the angle of refraction r?
- A10°
- B23°
- C40°
- D50°
As printed in the paper
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Correct answer: C. 40°
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