A student traces the path of ray light through a rectangular glass slab as follows but leaves it in labelled and incomplete.
Redraw the complete diagram and label in it
i) Angle of incidence i
ii) Angle of refraction r
iii) Angle of emergence e
iv) Lateral displacement
![](https://s3mn.mnimgs.com/img/shared/content_ck_images/ck_5aa8fadeae42e.png)