by admin | Jun 5, 2015 | sem1
Electron Transitions Atomic Electron Transitions: Atomic electron transition is a change of an electron from one quantum state to another within an atom or artificial atom. It appears discontinuous as the electron “jumps” from one energy level to another...
by admin | Jun 5, 2015 | sem1
Absorption Absorption of electromagnetic radiation is the way in which the energy of a photon is taken up by matter, typically the electrons of an atom. Thus, the electromagnetic energy is transformed into internal energy of the absorber, for example thermal...
by admin | Jun 5, 2015 | sem1
Electromagnetic spectrum The electromagnetic spectrum is the range of all possible frequencies of electromagnetic radiation.The “electromagnetic spectrum” of an object has a different meaning, and is instead the characteristic distribution of...
by admin | Jun 5, 2015 | sem1
Laser Ablation Laser ablation is the process of removing material from a solid (or occasionally liquid) surface by irradiating it with a laser beam. At low laser flux, the material is heated by the absorbed laser energy and evaporates or sublimates. At high laser...
by admin | Jun 5, 2015 | sem3
Control of particulate and gaseous emission Some of the effective methods to Control Air Pollution are as follows: (a) Source Correction Methods (b) Pollution Control equipment (c) Diffusion of pollutant in air (d) Vegetation (e) Zoning. (a) Source Correction Methods:...
by admin | Jun 5, 2015 | sem3
Water treatment processes Clean, safe water is vital for every day life. Water is essential for health, hygiene and the productivity of our community. The water treatment process may vary slightly at different locations, depending on the technology of the plant and...
