Foundation
Physics Foundation
Human Eye And Colorful World
Refraction and parallel slab
Light
Question
Draw a ray diagram showing the dispersion through a prism when a narrow beamof white light is incident on one of its refracting surfaces. Also, indicate the order of thecolours of the spectrum obtained.
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Solution
Order of colours from bottom to top : Violet, Indigo, Blue, Green, Yellow, Orange and Red. One can memorise these colours by remembering keyword VIBGYOR.
