CBSE Class 12-science Answered
What is the difference in refraction through a prism and refraction through a glass slab?
Asked by Topperlearning User | 10 Jun, 2014, 02:00: PM
Expert Answer
When a ray of light suffers refraction through a Glass slab it neither converges or diverges but gets displaced parallel to itself.After refraction at two parallel faces of a glass slab, the ray of light emerges in a direction parallel to the incident ray on the slab.Hence no dispersion occur, but only lateral displacement. whereas in a prism a ray of light suffers two refractions on passing through a prism and hence deviates through a certain angle from its original path.
Answered by | 10 Jun, 2014, 04:00: PM
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