Under what condition can the amplification of light occur when it passes through a layer of matter?
October 29, 2020 | Education|
In order for the power of light radiation to increase after passing through a substance, more than half of the atoms of the substance must be in an excited state.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.