Podcast
Questions and Answers
What is the measure of one complete cycle of a wave, often described as the distance from trough to trough or crest to crest?
What is the measure of one complete cycle of a wave, often described as the distance from trough to trough or crest to crest?
In which type of wave does matter in the medium move perpendicular to the direction of the wave's travel?
In which type of wave does matter in the medium move perpendicular to the direction of the wave's travel?
Which term describes the highest point of a wave?
Which term describes the highest point of a wave?
What happens when waves interfere constructively?
What happens when waves interfere constructively?
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What is the unit of measurement for frequency?
What is the unit of measurement for frequency?
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Which type of interference occurs when two waves collide and produce a wave with a smaller amplitude?
Which type of interference occurs when two waves collide and produce a wave with a smaller amplitude?
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Which of the following best describes a compression wave?
Which of the following best describes a compression wave?
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What is the term for each complete cycle of a wave?
What is the term for each complete cycle of a wave?
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Study Notes
Learning Intentions
- Identify important features of waves
- Explain the difference between two types of waves
- Describe constructive and destructive wave interference
Big Ideas
- Electromagnetic energy behaves as both a particle and a wave
- Many properties of light can be understood using a wave model of light
What is a Wave?
- A wave is a disturbance that transfers energy through matter or another medium, without causing permanent displacement
Wave Features
- Crest: the highest point of a wave
- Trough: the lowest point of a wave
Wave Features (Continued)
- Wavelength: the measure of one complete cycle from trough to trough or crest to crest, measured in meters
- Amplitude: the height of a wave's crest or the depth of a wave's trough, measured from the resting position
Frequency
- Each cycle (wave length) is called an oscillation
- Frequency is the number of cycles (oscillations) that occur over a certain amount of time.
- Frequency is measured in Hertz (Hz)
- Hz = # of oscillations per second
Types of Waves
- Transverse Waves: the medium moves perpendicular (90°) to the direction of the wave
- Examples: shaking a rope, slinky, water waves, vibrating guitar strings
- Compression Waves (Longitudinal Waves): the medium moves back and forth along the same direction that the wave travels.
- Examples: sound, some types of earthquake waves
Interference
- When two or more waves hit each other, they interfere with one another
- Two types of interference:
- Constructive interference
- Destructive interference
Interference (Continued)
- When waves interfere constructively, they produce one wave with a larger amplitude
- When waves interfere destructively, it produces one wave with a smaller amplitude
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Description
This quiz focuses on the fundamental concepts of waves in physics, including their characteristics, types, and interference patterns. You'll explore important features such as wavelength, amplitude, and frequency, while distinguishing between different wave behaviors. Perfect for students looking to deepen their understanding of wave phenomena.
