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For a ray of light passing through a glass slab, the lateral displacement was correctly measured as:
![](/assets/questions/media/145526-42775-1617636329.png)
- AB
- PQ
- CD
- PR
"
(c) CD
Explanation
Lateral displacement or lateral shift is the perpendicular distance between the original path traced by an incident ray and the path traced by the emergent ray coming out from the glass slab.
It is also defined as the perpendicular shift in the path of light when it emerges out from the refracting medium.
In the figure given above, CD is the perpendicular distance or the lateral displacement.
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