Question

7 The incident ray are emergent ray are parallel during refraction through glass slab ? explain with diagam​

Answer 1

Answer:

In a rectangular glass slab, the emergent Ray is parallel to the direction of the incident ray.

The extent of bending of the ray of light at the opposite parallel faces of the rectangular slab is equal and opposite. This is why the rat emerges parallel to the incident ray. However, the light ray is slightly shifted sidewards.

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Answer 2

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