A ray of light travelling in air is incident on the plane of a transparent medium. The angle of incidence is ${45}^{\circ }$ and that of refraction is ${30}^{\circ }$. Find the refractive index of the medium.

Q. A ray of light travelling in air is incident on the plane of a transparent medium. The angle of incidence is ${45}^{\circ }$ and that of refraction is ${30}^{\circ }$. Find the refractive index of the medium.

Q. A ray of light travelling in air is incident on the plane of a transparent medium with an angle of incidence ${45}^{\circ }$ and the angle of refraction ${30}^{\circ }$. Find the refractive index of the medium.

Q. A ray of light travelling in air is incident on the plane of a transparent medium. The angle of incident is ${45}^0$ and that of refraction is ${30}^0$. The refractive index of the medium with respect to air is:

Q. A ray of light traveling in the air is incident on the plane of a transparent medium. The angle of the incident is 45${}^o$ and that of refraction is 30${}^o$. Find the refractive index of the medium.

Q. A ray of light travelling in a transparent medium falls on a surface separating the medium from air at an angle of incidence 45${}^{\circ }$. The ray undergoes total internal reflection. The possible value of refractive index of the medium with respect to air is