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Light in air strikes a water surface at the polarizing angle. The part of the beam refracted into the water strikes a submerged slab of material with refractive index n = 1.53 as shown in the figure below. The light reflected from the upper surface of the slab is completely polarized. Find the angle θ between the water surface and the surface of the slab.
Transcribed Image Text:The diagram illustrates the phenomenon of light refraction as it passes from air into water.
Key elements of the diagram include:
1. **Incident Ray**: The ray of light entering the water from the air at an angle \( \theta_p \), known as the angle of incidence.
2. **Normal Line**: A dashed line perpendicular to the surface at the point of incidence. The angles \( \theta_p \) are measured with respect to this line.
3. **Refracted Ray**: After entering the water, the light bends and continues through the water at a different angle \( \theta \), known as the angle of refraction.
4. **Reflection**: A portion of the incident light ray is also shown reflecting back into the air, indicating partial reflection at the surface.
This diagram is a visual representation of Snell's Law, which describes how light bends when it moves between mediums of different refractive indices. It is a crucial concept in understanding optical phenomena.
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