The figure below shows the path of a beam of light through several layers (n₁ = 1.61, n₂ = 1.38, n3 = 1.22 and n4 = 1.00) of different indices of refraction. n₁ n₂ n3 Yor na If 01 = 31.4°, what is the angle, 92, of the emerging beam? Submit Answer Tries 0/5 What must the incident angle, 1, be in order to have total internal reflection at the surface between the n3 = 1.22 medium and the n4 = 1.00 medium? Submit Answer Tries 0/5
The figure below shows the path of a beam of light through several layers (n₁ = 1.61, n₂ = 1.38, n3 = 1.22 and n4 = 1.00) of different indices of refraction. n₁ n₂ n3 Yor na If 01 = 31.4°, what is the angle, 92, of the emerging beam? Submit Answer Tries 0/5 What must the incident angle, 1, be in order to have total internal reflection at the surface between the n3 = 1.22 medium and the n4 = 1.00 medium? Submit Answer Tries 0/5
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:**Exploration of Light Refraction through Multiple Layers**
The figure below illustrates the path of a light beam passing through several layers, each characterized by a different index of refraction (n). The respective indices of refraction for the layers are as follows: n₁ = 1.61, n₂ = 1.38, n₃ = 1.22, and n₄ = 1.00.
**Diagram Explanation:**
- The light beam enters the first layer with an index of refraction n₁ at an incident angle θ₁.
- As the beam crosses from one layer to another, it refracts according to the indices of refraction of the successive layers n₂, n₃, and finally exits into the medium with the index n₄.
- The angle of incidence and refraction are denoted at each interface.
### Problem 1:
**Question:** If θ₁ = 31.4°, what is the angle θ₂ of the emerging beam?
**Form Input:**
- Text field for student to submit angle θ₂.
- Button to submit the answer.
- Display of the number of attempts (Tries 0/5).
### Problem 2:
**Question:** What must the incident angle θ₁ be in order to achieve total internal reflection at the interface between the n₃ = 1.22 medium and the n₄ = 1.00 medium?
**Form Input:**
- Text field for student to submit angle θ₁.
- Button to submit the answer.
- Display of the number of attempts (Tries 0/5).
For the total internal reflection to occur, the incident angle must be larger than the critical angle, which can be calculated using Snell's Law.
### Detailed Description of the Diagram:
- The beam initially strikes the boundary between n₁ (1.61) and n₂ (1.38) at an angle θ₁.
- The dotted lines indicate the normal (perpendicular) to the surfaces at the points of incidence and refraction.
- The beam continues to the boundary between n₂ (1.38) and n₃ (1.22), where it refracts again, eventually exiting into n₄ (1.00).
Make sure to use Snell's Law for both reflection and refraction calculations to determine the respective angles.
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