A ray `PQ` is incident normally on the refracting face of the prism `BAC` made of
Channel: Doubtnut
Date: 2020-08-02

PA ray `PQ` is incident normally on the refracting face of the prism `BAC` made of material of refractive index `1.5`. Complete the path of ray through the prism. From which face will the ray emerge and at what angle ? Justify your answer.