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21 votes
21 votes
if lens behave like prism and disperse light then why person using glass on eye can't see colour being dispersed?​

User Britany
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1 Answer

27 votes
27 votes

Answer:

A prism can disperse light into different colors when the light enters the prism at a "fixed" angle - light coming in, perhaps, thru a narrow slit

If light can enter at all angles, then dispersion occurs at all angles and no dispersion can be seen

User Kederrac
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