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8 Cards in this Set

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  • Back

Optic Fibres

A thin cable of glass or plastic that carries light.

Crest

The highest point of a wave

Trough

Lowest point of a wave

Amplitude

The perpendicular distance between the equilibrium point and the crest

Wavelength

The straight line distance between one crest and the next

Frequency

Measure of how many wavelengths pass the fixed point per second

Angle of incidence

Angle between the normal and the incident ray

Normal

Imaginary line which is drawn at right angle to the surface