The angle of minimum deviation for a prism is `40^(@)` and the angle of the prism is `60^(@)`. The angle of incidence in this position will be

Options

A. Less than `41^(@)`
B. Equal to `41^(@)`
C. More than `41^(@)`
D. None of the above

Answer

C

Explanation

`delta_(m) = 2i - A `
`rArr i= (A + delta_(m))/(2) = (100)/(2) = 50^(@)` .