O-LevelPhysicsLight5054/11 · May/June 2012 · Q231 Mark

Light is incident on one face of a glass block at an angle of incidence of 40°. The glass block is in air. The refractive index of the glass is 1.46. What is the angle of refraction inside the glass block?

A26°

B27°

C58°

D70°

✓ Correct answer

A: 26°

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