A cube of glass of refractive index 1.500 is placed on a horizontal surface separated from the lower face of the cube by a film of liquid, as shown in the diagram below. A ray of light from outside and in a vertical plane parallel to one face of the cube strikes another vertical face of the cube at an angle of incidence i = 480 27' and after refraction, it is totally reflected at the critical angle at the glass-liquid interface. Calculate: the critical angle at the glass-liquid interface the angle of emergence of the ray from the tube
A cube of glass of refractive index 1.500 is placed on a horizontal surface separated from the lower face of the cube by a film of liquid, as shown in the diagram below. A ray of light from outside and in a vertical plane parallel to one face of the cube strikes another vertical face of the cube at an angle of incidence i = 480 27' and after refraction, it is totally reflected at the critical angle at the glass-liquid interface. Calculate: the critical angle at the glass-liquid interface the angle of emergence of the ray from the tube
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A cube of glass of refractive index 1.500 is placed on a horizontal surface separated from the lower face of the cube by a film of liquid, as shown in the diagram below.
A ray of light from outside and in a vertical plane parallel to one face of the cube strikes another vertical face of the cube at an angle of incidence i = 480 27' and after refraction, it is totally reflected at the critical angle at the glass-liquid interface. Calculate:
- the critical angle at the glass-liquid interface
- the angle of emergence of the ray from the tube
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