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Waves (Keywords and Definitions (Frequency (Frequency is the number of…
Waves
Keywords and Definitions
Frequency
Frequency is the number of vibrations in one second, this is measured in Hertz.
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Some Facts
A wave can only be altered by having alterations made in the properties of the medium. Same as the speed of a wave, it cannot be altered because it can only be altered if there are alterations being made in the properties of the medium.
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Waves can be made from slinkies, earthquakes, sounds, water ripples, light, rope and etc. They cannot be seen with the human eye.
Vibrations are perpendicular to the direction in which the wave is traveling (for transverse waves).
Types of Waves
Longitudinal Waves
The vibrations go back and forth horizontally and there is more compression. These waves usually have a higher frequency and are usually smaller.
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Longitudinal and Transverse waves are present during some types of earthquakes. They are not always present during earthquakes.
Wave Formulas
The Wave Equation
The wave equation is where velocity is equal to the frequency of the wave multiplied by the wavelength. This is written like:
v=fxλ, v is velocity, f is the frequency of the wave and λ is the wavelength.
Other formulas
Velocity is equal to distance divided by the period of a wave. The period of a wave is equal to one divided by the frequency. The distance is equal to the velocity multiplied by the period of a wave.
To find the frequency of a wave you have to divide the velocity and the wavelength and to find the wavelength of a wave you divide the frequency and the velocity.