Total internal reflection occurs in an optical prism when light rays

Physics WAEC 2011

Total internal reflection occurs in an optical prism when light rays

  • travel from the prism into an optically denser medium
  • are incident in the prism at an angle greater than the critical angle checkmark
  • are incident normally in the prism
  • travel from the prism to the air

The correct answer is: B

Explanation

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