Origin of light waves in General, such as the Sun, the bulb to release the electromagnetic waves (waves) by electric light that is sent out with a lot of different directions. Thus, the light from a light source, it is not a light rise hit based on the total leave of vectors is not a light can be included la Pola rise rise to light in two directions in the perpendicular axis. When the light pad a la thyroid The electric light is parallel to the direction the direction of the sheet through the rise of La La thyroid. Best electric light with direction perpendicular to direction of the sheet, the rise will be La-La thyroid suck.
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