Mission LC7: Pigments and Color Subtraction

Mission LC7 requires that you use the concept of a primary pigment and the principle of color subtraction to predict and explain the color appearance of an object when viewed under any type of incident light color. The mission consists of 39 questions organized into 10 Question Groups. You must answer one question from each Question Group to complete the mission. The learning outcomes for this mission are ...

Learning Outcomes

  • The student should be able to predict the color of an object if the pigments imparted to it and the color of light with which it is illuminated are known.
  • The student should be able to identify the pigments imparted to an object if its appearance under different colored lights is known.


Launch Mission LC7


Getting Help

If you are not familiar with this topic, then you should first learn about the topic using our written Tutorial or our Video Tutorial:

The Physics Classroom, Light and Color Unit, Lesson 2, Part e


Video Tutorials:

Pigments and Color Subtraction



Question-Specific Help

Each Question Group has its own Help page with information specific to the question. You can access the Help page from within the mission by tapping on the Help Me! icon (textbook). For your convenience, links to those pages are provided below: