A ray of light, travelling in medium $\mathrm{A}$, is incident on the plane interface of two medium $\mathrm{A}$ and $\mathrm{B}$ and gets refracted into the medium $\mathrm{B}$. The angle of incidence is $i$ and that of refraction is $r$. The graph between $\sin \left(i\right)$ and $\sin \left(r\right)$ is as shown in the diagram. The correct statement among the following is