Take the slab in (Figure 1) to be glass with refractive index n = 1.62 and 01 = 48.6°. Figure 1 of 1

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What is theta 2 in degrees?
The text mentions taking the slab in Figure 1 to be glass with a refractive index \( n = 1.62 \) and an angle \( \theta_1 = 48.6^\circ \).

### Diagram Explanation

The diagram illustrates the refraction of light as it passes through a glass slab. The key components in the diagram include:

1. **Incident Ray:** The light enters from a medium with refractive index \( n = 1 \) (possibly air) at an angle \( \theta_1 \) with respect to the normal.

2. **Refracted Ray:** The light then enters the glass slab with refractive index \( n = 1.62 \) and bends towards the normal line. The angle of refraction within the slab is denoted as \( \theta_2 \).

3. **Emergent Ray:** On exiting the slab, the light refracts again at angle \( \theta_3 \) and \( \theta_4 \) as it re-enters the medium with refractive index \( n = 1 \).

4. **Displacement:** The lateral shift or displacement of the light ray due to the slab is depicted as \( x \).

5. **Thickness:** The thickness of the glass slab is labeled as \( d \).

This setup is used to study the behavior of light as it travels through different media, illustrating Snell's Law and the concept of lateral displacement.
Transcribed Image Text:The text mentions taking the slab in Figure 1 to be glass with a refractive index \( n = 1.62 \) and an angle \( \theta_1 = 48.6^\circ \). ### Diagram Explanation The diagram illustrates the refraction of light as it passes through a glass slab. The key components in the diagram include: 1. **Incident Ray:** The light enters from a medium with refractive index \( n = 1 \) (possibly air) at an angle \( \theta_1 \) with respect to the normal. 2. **Refracted Ray:** The light then enters the glass slab with refractive index \( n = 1.62 \) and bends towards the normal line. The angle of refraction within the slab is denoted as \( \theta_2 \). 3. **Emergent Ray:** On exiting the slab, the light refracts again at angle \( \theta_3 \) and \( \theta_4 \) as it re-enters the medium with refractive index \( n = 1 \). 4. **Displacement:** The lateral shift or displacement of the light ray due to the slab is depicted as \( x \). 5. **Thickness:** The thickness of the glass slab is labeled as \( d \). This setup is used to study the behavior of light as it travels through different media, illustrating Snell's Law and the concept of lateral displacement.
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