Curated OER
Reflections Of
Students create angles using mirrors. In this angle reflection lesson, students draw angles, then use mirrors to create angles using reflections and measure the new angles.
Georgia State University
Georgia State University: Hyper Physics: Refraction of Light and Snell's Law
The meaning and cause of refraction--as well as Snell's law of refraction--are discussed. Includes an interactive problem-solving form in which visitors relate angles of refraction to the incident angle and the indices of refraction.
CK-12 Foundation
Ck 12: Index of Refraction
[Free Registration/Login may be required to access all resource tools.] In this module, discover and solve problems involving the index of refraction, and investigate problems involving Snell's Law.
Georgia State University
Georgia State University: Hyper Physics: Behavior of Incident Light
This site from Georgia State University is an indexing page for several other pages on the topic of reflection. Topics are treated in an understandable manner and utilize meaningful graphics.
Georgia State University
Georgia State University: Hyper Physics: Total Internal Reflection
This physics department site provides a definition and explanation of the phenomenon of total internal reflection. Includes a diagram and an equation for calculating the critical angle for light approaching a surface.
University of Minnesota
University of Minnesota: Refraction of Light
This page is a continuation of a tutorial about light reflection and refraction. It contains a diagram and suggestions on how to derive Snell's Law, which governs the refraction of light in a medium. For background to this derivation,...
Science Education Resource Center at Carleton College
Serc: Light & Sound, Light Reflection Relay
For this exploration, students will investigate how light reflects off smooth surfaces, learn about angles of reflection, and apply that knowledge in a relay experiment.
Other
Propagation of Light Using Geometry
A discussion of Christian Huygens' contribution to wave optics, and particularly to our understanding of the reflection and refraction of light. Excellent diagrams and a geometric proof on why the law of reflection is mathematically...
Scholastic
Scholastic: Study Jams! Science: Light Absorption, Reflection, & Refraction
A video and a short quiz on the properties of light.
Physics Classroom
The Physics Classroom: The Law of Reflection
The law of reflection is discussed and explained, accompanied by an animation depicting this law. Includes a list of links to detailed information about certain types of reflections.
CK-12 Foundation
Ck 12: Plix: Law of Reflection: Angle of Incidence
[Free Registration/Login Required] In the scenario shown here, the laser cannot shine through the black barrier but can hit all three targets by reflecting off of the floor. Use the red dot to change the angle of the laser generator and...
Exploratorium
Exploratorium: Critical Angle
Students can see light reflected and refracted in this demonstration. They will also discover the total internal reflection of light.
Physics Aviary
Physics Aviary: Practice Problems: Index of Refraction Problem
Use the angle of incidence and the angle of refraction to determine the index of refraction for a material.
Other
Ntnu Virtual Physics Lab: Thick Lens Java Applet
An interactive Java applet which allows the user to investigate the path of light through a lens shape object. The shape of the object, the index of refraction of the material, and the location of the incident rays can be altered.
Physics Classroom
The Physics Classroom: Reflection and Ray Model of Light: The Law of Reflection
Through an illustrated tutorial and some interactive practice problems, students learn about the law of reflection of light.
Physics Classroom
The Physics Classroom: Refraction/ray Model of Light: The Angle of Refraction
Focusing on the question, "By how much does light refract when it crosses a boundary?" this physics tutorial will allow students the opportunity to explore these concepts of refraction.
Physics Classroom
The Physics Classroom: Refraction and the Ray Model of Light: Snell's Law
In this interactive physics tutorial, students will learn about a mathematical equation relating these two angles and the indices of refraction of the two materials on each side of the boundary.
Physics Classroom
The Physics Classroom: Refraction and the Ray Model of Light: Ray Tracing
In this illustrated physics tutorial, students investigate several of the types of problems that you will have to solve, and learn the task of tracing the refracted ray if given the incident ray and the indices of refraction.
Physics Classroom
The Physics Classroom: Refraction/ray Model of Light: Determination of N Values
Through illustrated examples and interactive practice problems, students explore the details of Snell's Law.
Physics Classroom
The Physics Classroom: Refraction and Ray Model of Light: Boundary Behavior
In this illustrated physics tutorial, students investigate the connection between light reflection and light refraction.
Physics Classroom
The Physics Classroom: Refraction and Ray Model of Light: The Critical Angle
Illustrated examples and interactive practice problems that introduce students to the concept of the critical angle, the angle of incidence that provides an angle of refraction of 90-degrees.
Illustrative Mathematics
Illustrative Mathematics: G Srt Bank Shot
This task asks students to use similarity to solve a pool table problem. Students must use the fact from physics that when an object bounces off of a wall, the angle of incidence equals the angle of reflection. Aligns with G-SRT.B.5.
Other
Gcse.com: Physics: Reflection
Informational site provides illustrated tutorial of light reflection. Also discusses the law of reflection.
Georgia State University
Georgia State University: Hyper Physics: Reflection and Refraction
Reflection and refraction are explained with an experiment that uses a sheet of paper, cardboard, and other common materials.