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A wave is a repeating pattern. It repeats itself in a periodic and regular fashion over both time and space. And the length of one such spatial repetition (known as a wave cycle) is the wavelength. The wavelength can be measured as the distance from crest to crest or from trough to trough. In fact, the wavelength of a wave can be measured as ...
- Frequency and Period
When a wave travels through a medium, the particles of the...
- The Wave Equation
As was discussed in Lesson 1, a wave is produced when a...
- Energy Transport and The Amplitude of a Wave
A high energy wave is characterized by a high amplitude; a...
- The Speed of a Wave
The faster wave travels a greater distance in the same...
- Simple Wave Simulator
The Simple Wave Simulator Interactive provides the learner...
- Boundary Behavior
A wave machine is used to demonstrate the behavior of a wave...
- Frequency and Period
Longitudinal Wave: A longitudinal wave has the movement of the particles in the medium in the same dimension as the direction of movement of the wave. Examples of longitudinal waves: Sound waves. P-type earthquake waves. Compression wave. Parts of longitudinal waves: Compression: where the particles are close together.
- 140 min
- A wave is a disturbance in a medium that carries energy without a net movement of particles. It may take the form of elastic deformation, a variati...
- Frequency of a wave is the number of waves passing a point in a certain time. The unit of frequency is hertz (Hz) which is equal to one wave per se...
- Amplitude is the maximum displacement from the neutral position. This represents the energy of the wave. Greater amplitude carries greater energy.
- Electromagnetic waves are the disturbance that does not need any object medium for propagation and can easily travel through the vacuum. They are p...
- Radio signals, light rays, x-rays, and cosmic rays are some of the examples of electromagnetic waves.
- By Medium
- By The Type of Disturbance
- Transverse Waves
- Complex Waves
- By Appearance
Waves can be classified according to the medium through which they propagate. mechanical waves 1. …require a material medium. Sound is the most important example of a mechanical wave. Sound waves cannot travel through a vacuum. electromagnetic waves 1. …propagate through the electric and magnetic fields that are everywhere in space. Light is the mo...
Waves can be classified according to the type of disturbance — meaning its relative direction or shap. There is a lot that can be said about this organizational scheme. I'm starting this part of this section with a quick summary in table form followed by a rather detailed follow up.
A transverse waveis one in which the direction of the disturbance is perpendicular to the direction of propagation. The word transverse describes something pointing in a sideways or lateral direction. As dynamic phenomena, waves are better represented with animations than with static images. Click on the static image below to see a transverse wave ...
classed by orientation of change 1. surface, interface, complex 1.1. ocean 1.2. seismic waves come in two basic families 1.2.1. body waves, which have already been discussed 1.2.1.1. Primary (surface, compression, Pressure) 1.2.1.2. Secondary (transverse, Shear), can't propagate through liquids 1.2.2. surface waves, which are what this discussion i...
Waves can be classified according to what they appear to be doing. traveling waves 1. …are waves that appear to be propagating. This might seem like a distinction made by the Department of Redundancy Department, since propagation is a key part of the definition of a wave, but there actually are waves that do not appear to be going anywhere. standin...
A traveling wave is a disturbance that travels through a medium. Consider the waves made by fans at a soccer game, as in Figure 14.1.1 14.1. 1. The fans can be thought of as the medium through which the wave propagates. The elements of the medium may oscillate about an equilibrium position (the fans move a short distance up and down), but they ...
If you feel yourself pushed in an ocean, what you feel is the energy of the wave, not a rush of water. Figure 16.9.2 16.9. 2: An idealized ocean wave passes under a sea gull that bobs up and down in simple harmonic motion. The wave has a wavelength λ λ which is the distance between adjacent identical parts of the wave.
These areas correspond to the parts of the sound wave where the energy is momentarily concentrated. Rarefactions: Shown as troughs, rarefactions depict regions of low pressure with air molecules more sparsely distributed. These areas provide a visual cue to the parts of the wave where the medium’s particles are momentarily spread apart.
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16.1 Traveling Waves. A wave is a disturbance that moves from the point of origin with a wave velocity v. A wave has a wavelength λ λ, which is the distance between adjacent identical parts of the wave. Wave velocity and wavelength are related to the wave’s frequency and period by v = λ T λ T = λ λ f.
