Tagged: Spectral lines

April 24, 2018

Laser rays properties, Spontaneous emission and stimulated emission

Laser amplifies the light intensity by the stimulated emission, There are different applications of laser in life either in the branch of applied science such as medicine, engineering and communication or in the branch...

Chemistry

December 1, 2017

Atomic emission spectra, Bohr’s atomic theory and Wave mechanical theory of the atom

On heating atoms of pure elements – in a gaseous or vapor state – to a high temperature or exposing them to low pressure in an electrical discharge tube, they emit a radiation called...