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| A rhythmic disturbance that carries energy through matter or space. |
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| A material through which a wave travels. |
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| The distance between identical points on two adjacent waves; for example, the distance between two crests or two troughs. |
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| The lowest point of a wave. |
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| A type of wave where the medium moves at right angles to the direction the wave is traveling. |
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| The number of wave crests that pass a point during one second; expressed in Hz. |
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| The highest point of a wave. |
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| A type of wave where matter vibrates in the same direction as the wave travels. |
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| The distance from the rest position of the medium to either the crest or trough. |
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| The angle of incidence is equal to the angle of reflection. |
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Definition
| The bending of waves around a barrier. |
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| electromagnetic radiation |
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Definition
| Transverse waves that transfer energy by radiation; vary in length from very long radio waves to extremely short gamma waves. |
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Definition
| Occurs when a wave strikes an object and bounces off. |
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Definition
| The bending of waves, caused by changing their speed. |
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| The highness or lowness of a sound, which is determined by the frequency of the sound waves. |
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Definition
| An increase or decrease in wave frequency, caused by motion of the source and/or motion of the observer. |
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