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Summary
The phenomenon of interference, diffraction and polarization can be explained by the wave theory of light. But the photo electric effect can be explained only using 'photon theory'. That is using particle nature of light. The experimental study of photoelectric effect led to the c..
Photocopier
Then term 'Xerography'; the use of Photoelectric phenomena to transfer an image from one sheet of paper to another comes from the Greek words for "dry" and "writing". Dry copying is based on the principle that materials with opposite electrical charges attract one another and that some ma..
Then term 'Xerography'; the use of Photoelectric phenomena to transfer an image from one sheet of paper to another comes from the Greek words for "dry" and "writing". Dry copying is based on the principle that materials with opposite electrical charges attract one another and that some ma..See what our Users say :
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