Question

why do you not see a spectrum of colours when light passes through a flat pane of glasses​

Answer 1

QUESTION

why do you not see a spectrum of colours when light passes through a flat pane of glasses?

ANSWER

When light passes through a flat pane of glass, the reflected light emerges out of the glass pane without any deviation because the glass pane has two sides which are parallel to each other. As the emergent light does not deviate from the original direction by any angle, we do not see the different colours of light separated out in the form of spectrum.

Therfore, in order to view the spectrum of colours, the incident rays have to fall on a object whose surfaces are not parallel such as a glass prism ( triangular shape).

Answer 2

Answer:

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