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Module 3

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Module 3 The Nature and Properties of Light

What this module is about
Most of the things that you know you have learned about through your eyes. You can only see if there is light. Light makes you see shapes and colors. Light also helps you identify objects both near and far. But what is light? In this module you will learn about the nature and properties of light in the following lessons: Lesson 1 – Lesson 2 – Lesson 3 – Lesson 4 – The Nature of Light Reflection and Mirrors Refraction and Lenses Colors, Interference and Polarization

What you are expected to learn
After studying the lessons in this module, you are expected to: 1. 2. 3. 4. 5. 6. 7. 8. 9. state the different theories about the nature of light; demonstrate reflection properties of light using mirrors; describe the image formed by mirrors; show the refraction properties of light using lenses; give applications of total internal reflection; describe the image formed by lenses; enumerate the colors that make up white light; explain what causes colors of object; and cite applications of diffractions, interference and polarization of light.

How to learn from this module
Here is a simple guide for you in going about the module. 1. Read and follow the instructions very carefully. 2. Take the pretest (20-item multiple-choice test) to determine how much you know about the lessons in the module. 3. Check your answers against the correct answers provided at the last page of the module. 4. Be very honest in taking the test so you know how much knowledge you already have about the topic. 5. Perform all the activities, as these will help you have a better understanding of the topic. 6. Take the self-tests at the end of each lesson to determine how much you learned about the lesson. 7. Take the posttest (20-item multiple choice test) to assess how much you learned in this module. Have fun in learning these lessons...

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