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1. Using the law of reflection, explain how powder takes the shine off of a person’s nose. What is the name of the optical effect? 2. Diffusion by reflection from a rough surface is described in this chapter. Light can also be diffused by refraction. Describe how this occurs in a specific situation, such as light interacting with crushed ice. 3.
Light travels from diamond into water with an angle of incidence (θi) of 14.2 °. What is the angle of refraction (θr) if the refractive index of diamond is 2.4 and the refractive index of water is 1.33.
The laws of reflection and refraction can be used to examine the passage of light through a plate with plane parallel surfaces. Figure 2 below shows an incident ray and the reflected and
1 paź 2024 · Learn about reflection for your IGCSE Physics exam. This revision note includes ray diagrams and an explanation of the reflection of light.
Physics - Reflection Worksheet. 1. How does regular reflection differ from diffuse reflection? 2. Does the law of reflection hold true for diffuse reflection? Explain. 3. What is meant by the phrase “normal to the surface”? 4. Which of the following are examples of regular reflection and which are examples of diffuse reflection?
law of reflection can help you improve your game. 1. A light ray strikes a flat mirror with a 30o angle of incidence. Draw a ray diagram to show how the light ray interacts with the mirror. Label the normal line, the incident ray, and the reflected ray.
In this chapter, we look at the reflection of light, how light interacts with mirrors, and how mirrors can be used to form images. To understand reflection and image formation, we will use a model of light based on rays and wave fronts – this is a much simpler model than the electromagnetic wave perspective.
