question_answer

In a thin prism of glass\[(\mu =1.5)\], which of the following relations between the angle of inimum deviation \[{{\delta }_{m}}\] and angle of prism r will be orrect?

A) \[{{\delta }_{m}}=r\]                

B) \[{{\delta }_{m}}=1.5r\]

C) \[{{\delta }_{m}}=2r\]              

D) \[{{\delta }_{m}}=\frac{r}{2}\]