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dt19
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an electromagnetic wave contists of an electric field and a magnetic field oscillating perpendicularly to each other and to the direction of propagation. also, a polariser only let's through light of one particular orientation, so if the polariser is parallel to the direction of the oscillation of the electric field, say, does that mean that on the other side of the polariser there's no magnetic field? I'm having a little trouble getting my head around this!
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