Q.

Splitting of white light into seven colours on passing through a glass prism is due to__


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a

Dispersion

b

Refraction

c

Scattering

d

Reflection  

answer is A.

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Detailed Solution

The splitting of white light into seven colours on passing through a glass prism is due to dispersion.
The term chromatic dispersion is used to specify the optics in particular. For Example, due to this process, when white light is passed through a glass prism, it splits into its spectrum of colours (in order violet, indigo, blue, green, yellow, orange, and red).
 https://lh4.googleusercontent.com/LZxJZKVbaQrzH04NX_ddbnl-oXBUNbxbeAJBjb4aZWzaqAXodMi7LElVyL2WUBqFK-wtOGTgWwElyQrNKa3eKbjE6iPQ92vDDtM5qeAL23W2gw9xV50wkDFtT3itEWp9EUCSxwva1j1q7_OzzQ 
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