Question

How does the angle of minimum deviation of a glass prism vary, if the incident violet light is replaced with red light?

Answer 1

 δviolet > δred
Thus, when incident violet light is replaced with red light, the angle of minimum deviation of a glass decreases.

Answer 2

$\huge\mathtt{Hi\: dear}$

When incident violet light is replaced with red light, the angle of minimum deviation decreases in a glass prism.