Advancing Physics 0.0 / 5 ? PhysicsWavesASOCR Created by: RebeccaWallbankCreated on: 05-12-13 09:57 What are waves used for? Medical imaging, communications, scientific imaging, seeing, heat cameras and for surfing... 1 of 5 What are some uses for polarised light? TV aerials, communications satellites, bees, CD players and in sunglasses. 2 of 5 What is the difference between converging and diverging waves? Converging is spreading out, diverging is coming together, converging has negative curvature and diverging has postitive curvature. 3 of 5 What three types of image manipulation are there and how do they work? Median filter, mean filter and the laplace rule... 4 of 5 What is the difference between analoge and digital signals? Look at revision guide... 5 of 5
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