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Physics - Waves -  Introduction - Definitions, Logintudinal and Transverse.

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Frequency is measured in hertz. One hertz (Hz) is one oscillation per second. The frequency and period of a wave are related by the following equation.

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Frequency is measured in hertz. One hertz (Hz) is one oscillation per second. The frequency and period of a wave are related by the following equation.

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There are many ways to describe or measure a wave. Some characteristics depend on how the wave is produced, whereas others depend on the medium through which the wave travels.

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There are many ways to describe or measure a wave. Some characteristics depend on how the wave is produced, whereas others depend on the medium through which the wave travels.

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As the particles of a medium complete one full cycle of vibration at any point of the wave, one wavelength passes by that same point. Thus, the period of a wave describes the time it takes for a complete wavelength to pass a given point

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As the particles of a medium complete one full cycle of vibration at any point of the wave, one wavelength passes by that same point. Thus, the period of a wave describes the time it takes for a complete wavelength to pass a given point

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The period of a wave: is the amount of time required for one complete vibration of the particles of the medium.

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The period of a wave: is the amount of time required for one complete vibration of the particles of the medium.

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WAVELENGTH : is the distance between one point on a wave and the nearest point just like it.

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WAVELENGTH : is the distance between one point on a wave and the nearest point just like it.

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The amplitude of a wave is the maximum displacement of the wave from its position of rest, or equilibrium. A wave’s amplitude depends on how it is generated, but not on its speed. More work must be done to generate a wave with a greater amplitude

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The amplitude of a wave is the maximum displacement of the wave from its position of rest, or equilibrium. A wave’s amplitude depends on how it is generated, but not on its speed. More work must be done to generate a wave with a greater amplitude

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A wave can be measured in terms of its speed, amplitude, wavelength, phase, period and frequency.

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A wave can be measured in terms of its speed, amplitude, wavelength, phase, period and frequency.

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Waves that can travel only through matter are called mechanical waves.

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Waves that can travel only through matter are called mechanical waves.

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But not all waves need a medium. Electromagnetic waves, such as visible light, radio waves, microwaves and x- rays can travel through a vacuum.

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But not all waves need a medium. Electromagnetic waves, such as visible light, radio waves, microwaves and x- rays can travel through a vacuum.

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Waves that require a Medium are called mechanical wave.

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Waves that require a Medium are called mechanical wave.

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Sound waves cannot travel through outer space, because space is like a vacuum.

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Sound waves cannot travel through outer space, because space is like a vacuum.

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Waves of almost every kind require a material medium in which to travel. For example empty space like air.

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Waves of almost every kind require a material medium in which to travel. For example empty space like air.

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WAVE : A wave is a repeating disturbance, or movement that transfers energy through matter or space.

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WAVE : A wave is a repeating disturbance, or movement that transfers energy through matter or space.

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Waves