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When Rays of Light Are Incident on a Glass Slab Then the Incident Ray and Emergent Ray Are - Science and Technology 1

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When rays of light are incident on a glass slab then the incident ray and emergent ray are _________ each other.

  1. perpendicular
  2. parallel
  3. opposite
  4. concurrent
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Solution

(b) Parallel

When rays of light are incident on a glass slab, the incident and the emergent rays are parallel to each other. However, the emergent ray is displaced from the actual line of the incident ray. This is called lateral shift.

Concept: Refraction of Light Through a Rectangular Glass Slab
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