Quality of X-rays depends upon ____________ A-filament current B-accelerating voltage C-material of the target ?
When X-rays are passed through successive aluminum sheets what happens to their thickness ?
X-rays are similar in nature to_______________?
In an electronic transition atom cannot emit______________?
Radiation with wavelength longer than red lights______________?
Reverse process of photoelectric effect is_______________?
In He-Ne laser the lasing action is produced by_______________?
The metastable state for an atom in laser light is_____________?
In laser production the state in which more atoms are in the upper state than in the lower one is called_____________?
In normal state of energy the incident high energy photons will be______________?