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This tag is for questions relating to reflection, the change in direction of a wavefront at an interface between two different media so that the wavefront returns into the medium from which it originated. A familiar example of reflection comes from water waves; as the waves travel they reflect off objects that are floating in the water, and also reflect off the walls of the container holding the water.
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How is it that light is reflected in this way in these photos?
I took 2 photos, in one there's a shutter and in the other there's the light that is reflected from the shutter to the ceiling.
As you know and as you see from the first image, the shutter has alterna …