Waves and their properties
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11 Terms
Angle of Refraction
The angle between the normal and the refracted ray
Converge
To move towards each other
Density
The mass per unit of an object
Focal length
The distance between the centre of the lens of the focal point
Focal point
The point at which rays or waves meet after refraction or reflection
Lens
A shaped piece of transparent glass or plastic that refracts light
Medium
A substance in which energy, specifically waves is transmitted
Oscillation
A regular, repeating motion that is up and down, left and right, backwards and forwards or left and right which vibrates
Rest position
The undisturbed position of particles when they are not oscillating
Transverse wave
A wave that travels perpendicular to the direction in which it transfers energy
Radiation
Energy that comes from a source and travels through space