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8 Cards in this Set
- Front
- Back
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Optic Fibres |
A thin cable of glass or plastic that carries light. |
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Crest |
The highest point of a wave |
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Trough |
Lowest point of a wave |
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Amplitude |
The perpendicular distance between the equilibrium point and the crest |
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Wavelength |
The straight line distance between one crest and the next |
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Frequency |
Measure of how many wavelengths pass the fixed point per second |
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Angle of incidence |
Angle between the normal and the incident ray |
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Normal |
Imaginary line which is drawn at right angle to the surface |
