Physics
What is lateral displacement? Draw a ray diagram showing the lateral displacement of a ray of light when it passes through a parallel-sided glass slab.
Refraction Plane Surfaces
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Answer
The perpendicular distance between the incident ray and the emergent ray is defined as lateral displacement. This shift depends upon the angle of incidence, the angle of refraction and the thickness of the medium.
Below diagram shows the lateral displacement of a ray of light when it passes through a parallel-sided glass slab:
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