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A student observes the above phenomenon in the lab as a white light passes through a prism. Among many other colours, he observed the position of the two colours Red and Violet.

What is the phenomenon called? What is the reason for the violet light to bend more than the red light?

1 Answer

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Best answer

The phenomenon is called dispersion. 

Speed of Violet Light inside the prism is slowest and that of Red is highest. Hence, deviation of Violet Light is maximum and that of Red is minimum.

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