For the refraction, through a rectangular glass slab, the diagram is given below.

The angle of incidence, angle of emergence and angle of refraction are respectively:

Study the given ray diagrams and select the correct statement from the following:

The correct sequencing of angle of incidence, angle of emergence, angle of refraction and lateral displacement shown in the following diagram by digits $1$, $2$, $3$ and $4$ is:

If you focus the image of a distant object, whose shape is given below, on a screen using a convex lens,

the shape of the image of this object on the screen would be: