About This Chapter
FTCE Physics: Waves and Optics - Chapter Summary
Develop your expertise in waves and optics and prepare for the physics FTCE with the tutorials in this chapter. These video lessons cover the following subjects to support you in knowing how to correctly answer corresponding exam questions:
- Identifying and determining wave parameters, including amplitude, wavelength, frequency, period, and speed
- Explaining and applying the Doppler effect
- Grasping the theory of wave-particle duality
- Understanding refraction, dispersion, diffraction, and classical relativity
- Distinguishing between constructive and destructive interference
- Knowing the properties of longitudinal, transverse, and electromagnetic waves
- Working with the inverse-square law
- Identifying the 7 main regions of the electromagnetic spectrum
Lessons are presented as short videos that outline and explain each topic with both depth and brevity. This focused approach makes the material easy to digest and helps guide your preparation for the FTCE.
Objectives of the FTCE Physics: Waves and Optics Course
The physics FTCE, designed to asses your readiness to receive certification to teach physics in Florida, contains around 16 questions associated with topics covered in the Waves and Optics chapter. Each of the chapter's tutorials incorporates a correlative quiz that can help you determine how well you've grasped the information presented. In addition, these questions reflect the types of questions you'll be asked on the actual FTCE, giving you the chance to become familiar with the content and format.
The FTCE Physics test contains approximately 90 questions, 100% of which are multiple-choice. They involve different kinds of inquiries, from asking you to interpret material on a graph to requiring you to complete a given sentence. You will be allowed to use a testing center-provided scientific calculator during the exam.
1. Wave Parameters: Wavelength, Amplitude, Period, Frequency & Speed
How do we measure and describe waves? How do waves differ based upon their shapes? This lesson will guide you through the five wave parameters - period, frequency, amplitude, wavelength, and speed - that we use to characterize waves.
2. Transverse & Longitudinal Waves: Definition & Examples
What comes to mind when you think of a wave? Chances are your mental image takes the form of a transverse wave. But, longitudinal waves are just as important, and understanding the difference is vital to learning about waves. In this lesson, explore both types of waves and the unique characteristics of each.
3. Wave-Particle Duality: Concept, Explanation & Examples
Is light a particle with mass and substance? Or, is it just a wave traveling through space? Most scientists say light is both a particle and a wave! Find out how they came to this strange conclusion as we learn about the theory of wave-particle duality.
4. Constructive and Destructive Interference
What happens when one wave meets another? Do the waves converge to make one giant wave? Or, do they destroy each other? In this lesson, we'll explore the workings of wave interference.
5. The Doppler Effect: Definition, Examples & Applications
What is the Doppler effect? How does it affect our perceptions of sound and light? In this lesson, learn how traveling wave sources can change the way we observe sound and light waves. Explore the applications of the Doppler effect on shock waves, sonic booms, and the movements of distant galaxies.
6. Refraction & Dispersion: Definition, Snell's Law & Index of Refraction
Refraction explains why light bends in water. But, did you know that mathematical laws determine exactly how light waves are bent? In this lesson, we'll explore the mechanics of wave refraction, including Snell's Law and the index of refraction.
7. Light and Relativity: Breakdown of Classical Relativity with Light Example
The speed of light is constant regardless of the source of the light or the position of the observer. However, the components of speed - distance and time - are relative to speed. This lesson uses examples to explain how the relativity of distance and time accounts for the constant speed of light.
8. Reflection: Angle of Incidence and Curved Surfaces
How do waves reflect off of surfaces? How do we account for the images that we see reflected in various objects? Discover the answers to these questions as we investigate the rays and angles defining the law of reflection.
9. Diffraction: Relation to Sound & Light and Effects of Wavelength
This lesson explores diffraction as one of the many behaviors of waves. Learn how diffraction occurs in sound and light waves and how it is affected by the wavelength of a wave. Find out how animals use diffraction to communicate and how scientists use it to study molecules.
10. Electromagnetic Waves: Definition, Sources & Properties
In this lesson, learn the basics of electromagnetic waves and how they make up the electromagnetic spectrum. We will explore the major trends and categories within the spectrum, as well as the various sources of electromagnetic waves.
11. Transparent and Opaque Materials in Electromagnetic Waves
What makes an object transparent or opaque? How does light pass through some objects and not others? And what about the other types of electromagnetic waves? We'll investigate all these questions in this lesson about the transparency and opacity of materials.
12. The 7 Major Regions of the Electromagnetic Spectrum
This lesson will walk you through each of the major regions of the electromagnetic spectrum. Explore the unique characteristics of X-rays, microwaves, radio waves, UV rays, infrared, gamma rays, and of course, visible light.
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