What is xerography? Explain in detail.
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Xerography or electrophotography is a dry photocopying technique. Its fundamental principle was invented by American physicist Chester Carlson and based on Hungarian physicist Pál Selényi's publications. Chester Carlson applied for and was awarded U.S. Patent 2,297,691 on October 6, 1942.
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Explanation:
A dry copying process in which black or coloured powder adheres to parts of a surface remaining electrically charged after being exposed to light from an image of the document to be copied.
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