A ray of light travelling in transparent medium of refractive index`mu`falls on a surface separating the medium from air at an angle of incidence of `45^(@)`. For which of the following value of `mu`the ray can undergo total internal reflection ?

A ray of light travelling in a transparent medium f refractive index mu , falls on a surface separating the medium from air at an angle of incidence of 45^(@) . For which of the following value of mu the ray can undergo total internal reflection ?

A ray of light travelling in a transparent medium of refractive index mu , falls on a surface separating the medium from air at an angle of incidence of 45^(@) . For which of the following value of mu the ray can undergo total internal reflection ?

A ray of light travelling in a transparent medium f refractive index mu , falls on a surface separating the medium from air at an angle of incidence of 45^(@) . For which of the following value of mu the ray can undergo total internal reflection ?

A ray of light travelling in a transparent medium f refractive index mu , falls on a surface separating the medium from air at an angle of incidence of 45^(@) . For which of the following value of mu the ray can undergo total internal reflection ?

A ray of light travelling in a transparent medium of refractie index mu falls on a surface separatign the medium from air at an angle of incidence of 45^@ .For which of the following velues of mu ,the ray can indergo total internal reflection?