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Definition
| When some of the energy of a wave is transferred to the material in which it is travelling |
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Definition
| The increase in size of a signal |
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Definition
| The maximum distance of particles in a wave from thier normal positons |
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Definition
| A signal sent in the form of a wave |
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Term
| Electromagnetic Spcectrum |
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Definition
| A group of waves that all travel at the same speed in a vacuum and are all transverse |
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Term
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Definition
| The production and sending out of waves |
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Definition
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Definition
| A substance which absorbs ultrviolet light and emits visible light |
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Definition
| The number of oscillations of a particle in 1 second |
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Definition
| Part of the electro-magnetic spectrum. They are radiation with the highest frequency |
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Definition
| A way of identifying a person by the coloured patterns of their iris |
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Definition
| A wave that oscillates parralel to the direction of travel |
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Definition
| Part of the electromagnetic spectrum |
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Definition
| When the DNA of cells is altered. |
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Definition
| A thin glass or perpex rod which carries light |
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Definition
| The complete movementof a particle from its starting point and back. |
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Definition
| When waves pass into a material |
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Definition
| Energy tranferred from a point |
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Definition
| When the wave bounces off a boundry between materials |
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Term
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Definition
| The change of speed and direction of a wave when it enters a new material |
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Definition
| Building up an image of somthing in stages |
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Definition
| A wave produced by an earthquake |
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Term
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Definition
| Calculated using distance covered divided by time taken |
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Term
| Total Internal Reflection |
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Definition
| Light reflecting off the inside of a material rather than refracting outwards |
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Definition
| A wave that oscillates at right angles to the direction of travel |
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Definition
| High-frequency sound waves which we cannot hear |
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Term
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Definition
| The distance between who points in a wave which have moved a maximum distance from their normal positions |
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