Light absorption:refers to the next atom in the light,will absorb the energy of photons from the low-energy state of transition to the high-energy state phenomenon.
一般吸收：若物质对各种波长λ的光的吸收程度几乎相等,即吸收系数a与λ无关,则称为一般吸收.在可见光范围内的一般吸收意味着光束通过媒质后只改变强度,不改变颜色.General absorption:If the material for various wavelength λ of light absorption is almost the same,namely,absorption coefficient a has nothing to do with λ,then known as generally absorbed.In the visible range of the general absorption means that the beam through the media,only to change the intensity,not change color.例如空气、纯气、无色玻璃等媒质都在可见光范围内产生一般吸收.Such as air,pure air,colorless glass medium are generated within the scope of the general absorption of visible light.
选择吸收：若物质对某些波长的光的吸收特别强烈,则称为选择吸收.Selective absorption:If the substance on the absorption of certain wavelengths of light particularly strong,is called selective absorption.对可见光进行选择吸收,会使白光变为彩色光,绝大部分物体呈现颜色,都是其表面或体内对可光进行选择吸收的结果.Selection of the visible light absorption,will become a white color light,most of objects showing the color,are on its surface or in vivo selection that can be light absorbing results.
