Figure shows two identical prisms P and Q placed with their faces parallel to each other. A light ray AB of yellow colour is incident at the face of the prism P. Complete the diagram to show the path of the ray till it emerges out of the prism Q.

Figure shows two identical prisms P and Q placed with their faces para

1.	Figure shows two identical prisms P and Q placed with their faces parallel to each other. A light ray AB of yellow colour is incident at the face of the prism P. Complete the diagram to show the path of the ray till it emerges out of the prism Q.
Answer» <P> Solution :The completed DIAGRAM is SHOWN in figure in which the ray CD emeging out of the prism Q is PARALLEL to the ray AB INCIDENT on the prism P. .