When a ray of light passes through a triangular glass prism, the emergent ray is generally not parallel to the incident ray. Which of the following is the best explanation of this observation?

Subject: General Awareness | Topic: Science | Difficulty: MEDIUM

Options

  1. (A) Light rays undergo total reflection on both faces of the prism.
  2. (B) Parallel faces of the prism refract equally, cancelling each other.
  3. (C) The two refracting faces of the prism are inclined towards each other, causing overall deviation of the light ray.
  4. (D) Light rays pass uniformly through the prism without any change in direction.

Verified Answer

Option (C): The two refracting faces of the prism are inclined towards each other, causing overall deviation of the light ray.


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