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. 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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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.

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.