a glass prism is able to produce a spectrum when a white light passes through it but a rectangular block of the same transparent glass does not produce any spectrum. Why?
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- Glass prism has Two triangles at different angles which produces dispersion
- But in experiment of Glass prism if we keep an inverted prism next to erect prism then White light is reobtained
- In ur question Rectangular block is nothing but mixing of an erect and an inverted Prism
- So light Will not be dispersed
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