About This Chapter
Oscillations & Waves - Chapter Summary
In this chapter, you'll review sound and light waves and related details about motion, resonance and harmonics. Explore the relationship between waves and motion and learn about pitch, frequency and vibrations. These short and engaging lessons also cover the application of equations and formulas related to waves and relevant term definitions. Once your review of this chapter is complete, you should be able to do the following:
- Understand simple harmonic motion (SHM) and apply equations to solve SHM problems
- Relate examples of periodic motion
- Discuss what a pendulum is and solve pendulum problems
- Explain the resonance of light and sound waves
- List the characteristics of transverse and longitudinal waves
- Describe what causes waves and how they move
- Detail the relationship of harmonics to musical pitch
- Provide details about the Doppler effect
Lessons are taught using straightforward and easy-to-follow language and illustrations to ensure that you fully understand each of the topics addressed. You can access the videos at any time, on any device, and even print lesson transcripts for easy reference. Self-assessment quizzes help you to determine how much you have retained from the lessons and whether you need further review in any area.
1. Simple Harmonic Motion (SHM): Definition, Formulas & Examples
After watching this video, you should be able to explain what simple harmonic motion is, describe the features of the motion, and use equations to solve simple harmonic motion problems, particularly for a mass on a spring. A short quiz will follow.
2. Periodic Motion: Definition & Examples
After completing this lesson, you should be able to define and provide examples of periodic motion, as well as describe what makes a periodic motion a simple harmonic motion.
3. Pendulums in Physics: Definition & Equations
After watching this lesson, you will be able to explain what a pendulum is, why it is an example of simple harmonic motion, and use equations to solve pendulum problems. A short quiz will follow.
4. Resonance: Definition & Transmission of Waves
This lesson describes how sound and light waves are affected by the principle of resonance. Learn how resonance occurs through the vibrations and resonant frequencies of objects. You'll investigate everyday examples of resonance and learn how to break a wine glass with your voice!
5. 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.
6. Vibrations and Waves: Energy and Motion
What is a wave? What causes waves, and how do they travel from one place to another? This lesson will guide you through the basics of waves. We'll discuss their origins from vibrations and investigate how they carry energy through a medium.
7. Reflection of Waves: Definition & Examples
This lesson will define reflection in the context of waves, summarize the types of reflection, and provide examples of reflection in action. A short quiz will follow.
8. What are Harmonics? - Definition & Types
Harmonics are a widely used musical technique, but where do they come from? This lesson will focus on what a harmonic is, where they come from, and how this all relates back to musical pitch.
9. 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.
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