Filters and Color Subtraction Video Tutorial

The Filters and Color Subtraction Video Tutorial explains the interaction between visible light and color filters using the incident-absorbed-transmitted model. Numerous examples are done to illustrate the use of the model in predicting the color appearance of objects when viewed through a color filter.  The video lesson answers the following questions:

  1. What does a color filter do?

  2. How can one predict the color appearance of an object when viewed through a color filter?


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Lesson Notes
The Lesson Notes are intended to be printed and used when watching the video. They are structured to allow students to follow the video, record some notes, and leave the video with a document that can be referred to as their learning continues. The Lesson Notes are available as a PDF. Permission is granted to print the notes or to include a link to them from a learning management system.

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Additional and Related Learning Tools
Learning takes effort. Watching a video is a relatively passive activity. It's one thing to listen to a video presented by a person who understands the material. But it's quite another thing to apply the information from the video in an effort to personally understanding the material. This page lists a variety of tools that can used to put the new learning to use. The tools include those that can be used by students and those that can be used by teachers with their students within the classroom. Related resources are also included among these tools.

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Teacher Resources
So you teach this stuff? Maybe we can help ... we've been doing this for a while and have a few resources you might find helpful. Visit the Teacher Resources page and learn about some tools that will help you teach and design lessons on the topic.

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Slides from the Video Tutorial
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This video is part of our Light and Color Video Tutorial Series. You can find other video lessons here on our website. To get the latest content in our Physics Video Tutorial series, we suggest that users subscribe to The Physics Classroom's YouTube Channel. Every Like and every Subscribe helps to promote our video ... so thanks for any Help you can give us. When you help us, we can help you more.