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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Question
A ray of light hits the short side of a rectangular prism (index of refraction of 1.38) at an angle of θA from the normal. The light then travels to point A on the long side of the rectangle where it then meets the interface at the critical angle. Find in θA degrees.
Transcribed Image Text:The image depicts a diagram of a ray of light hitting a rectangular object. The light ray enters the object at point A, traveling in a straight line, and then bends as it passes through the boundary.
Key features of the diagram include:
1. **Ray Path**: The purple line shows the path of the light ray. The ray enters at the left side of the rectangle and bends upon passing through the boundary, indicating refraction.
2. **Incident Ray**: The segment of the ray approaching point A from the left.
3. **Refracted Ray**: After point A, the ray bends at an angle inside the rectangle, indicating the change in direction due to the refractive index of the material.
4. **Normal Line**: A dashed line is shown perpendicular to the surface at the point where the ray enters.
5. **Angle of Refraction (θ<sub>a</sub>)**: The angle between the refracted ray and the normal line within the material. It is labeled as θ<sub>a</sub>.
This diagram is typically used to illustrate the concept of refraction, where light changes direction as it passes through different mediums. The angle of refraction depends on the properties of the materials involved and is a fundamental concept in the study of optics.
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