A ray of light is incident on an air/water interface. The ray makes an angle of θ1 = 38 degrees with respect to the normal of the surface. The index of the air is n1 = 1 while water is n2 = 1.33. Numerically, what is the reflection angle ψ in degrees?

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 A ray of light is incident on an air/water interface. The ray makes an angle of θ1 = 38 degrees with respect to the normal of the surface. The index of the air is n1 = 1 while water is n2 = 1.33.

Numerically, what is the reflection angle ψ in degrees? 

The image illustrates the concept of refraction as light passes from one medium to another. The diagram is divided into two sections by a horizontal boundary. The upper section is depicted in black, and the lower section is a gradient of blue. A yellow arrow is shown entering the boundary from the black region and bending as it enters the blue region. This represents the path of the light beam.

Key elements of the diagram:

1. **Incident Ray**: The yellow arrow coming from the top left towards the boundary represents the incident ray of light in the first medium (refractive index not shown).

2. **Refracted Ray**: The yellow arrow in the blue section illustrates the refracted ray in the second medium, which has a refractive index denoted as \( n_2 \).

3. **Normal Line**: A dashed vertical line at the point where the incident ray meets the boundary indicates the normal to the surface.

4. **Angle of Refraction (\( \theta_2 \))**: The angle between the refracted ray and the normal line is labeled as \( \theta_2 \).

The image effectively demonstrates how the angle of the refracted ray (\( \theta_2 \)) changes due to the difference in refractive indices of the two media, following Snell's Law.
Transcribed Image Text:The image illustrates the concept of refraction as light passes from one medium to another. The diagram is divided into two sections by a horizontal boundary. The upper section is depicted in black, and the lower section is a gradient of blue. A yellow arrow is shown entering the boundary from the black region and bending as it enters the blue region. This represents the path of the light beam. Key elements of the diagram: 1. **Incident Ray**: The yellow arrow coming from the top left towards the boundary represents the incident ray of light in the first medium (refractive index not shown). 2. **Refracted Ray**: The yellow arrow in the blue section illustrates the refracted ray in the second medium, which has a refractive index denoted as \( n_2 \). 3. **Normal Line**: A dashed vertical line at the point where the incident ray meets the boundary indicates the normal to the surface. 4. **Angle of Refraction (\( \theta_2 \))**: The angle between the refracted ray and the normal line is labeled as \( \theta_2 \). The image effectively demonstrates how the angle of the refracted ray (\( \theta_2 \)) changes due to the difference in refractive indices of the two media, following Snell's Law.
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