Vibrations that transfer energy from place to place without matter (solid, liquid or gas) being transferred
WAVES
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The unit of frequency
HERTZ
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A device which displays patterns of sound waves
OSCILLOSCOPE
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A type of wave where particles move from side to side for example sound. This movement is parallel to the direction in which the energy moves
LONGITUDINAL
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The number of waves per second measured in a unit called hertz (HZ). One hertz means one wave in one second. The symbol is ‘f’
FREQUENCY
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A type of wave where particles move up and down for example water. This movement is at right angles to the direction in which the energy moves
TRANSVERSE
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The distance (m) between consecutive crests or troughs in a transverse wave. Measure in metre units
WAVELENGTH
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The maximum displacement from the mean position in a transverse wave. In sound it is the measure of the loudness of the sound
AMPLITUDE
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This word describes the circular bending of waves when they pass through a small gap
DIFFRACTED
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A property of waves including light and sound, the reflection of light is the change in direction of the light when it strikes a surface or mirror
REFLECTION
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A property of waves, including light and sound, the refraction of light is the change in direction of the light when it passes from one medium to another
REFRACTION
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Waves such as the water waves and earthquakes which can be longitudinal or transverse
MECHANICAL
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Other cards in this set
Card 2
Front
The unit of frequency
Back
HERTZ
Card 3
Front
A device which displays patterns of sound waves
Back
Card 4
Front
A type of wave where particles move from side to side for example sound. This movement is parallel to the direction in which the energy moves
Back
Card 5
Front
The number of waves per second measured in a unit called hertz (HZ). One hertz means one wave in one second. The symbol is ‘f’
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