| Actually 紅、橙、黃、綠、藍、靛和紫 is comes from visible light..there are other lights with different wavelengths.. radio, microwave, infrared, visible light, ultraviolet (or better known as UV), X-rays and gamma rays. all these are in the increasing order of wavelength. |
發表於 2011-12-9 07:22 AM
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