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Lateral Displacement

Why does a ra...

Question

Why does a ray of light split into different colours on passing through a glass prism?

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Solution

When light rays enter the glass prism the angle at which it bends makes the light split into its seven components because the speed of each component of light is different and due to the bending every component shows its different ability to pass through it.

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Q. (i) A ray of white light breaks up into its components while passing through a glass prism. Draw a ray diagram to show the path of rays.
(ii) Mark the least deviated colour in your diagram.
(iii) Why do different coloured rays devitate differently in prism ?

Why does white light split into seven colours on passing through a glass prism?

Why does the white loghl split into different colours when it passes through glass prism

Q. A prism splits up light into different colours whereas a glass slab does not.

Q. When white light passes through a glass slab it gets refracted two times but it does not splits into 7 colours but in prism it white light disperses into 7 colours.why glass slab cannot split white light into 7 colours while a prism can do it?Explain.

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Lateral Displacement

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