CBSE Class 12-science Answered
Please explain
Asked by | 21 Mar, 2009, 11:23: AM
Expert Answer
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A photoemissive cell, commonly known as a phototube, makes use of the photoelectric effect, the phenomenon whereby light-sensitive surfaces give off electrons when struck by light. Photoemissive cells are sometimes called photocells or electric eyes. A phototube consists of a vacuum tube, housed in glass or quartz, containing two electrodes: a curved surface called…
Answered by | 27 Mar, 2009, 12:14: PM
Concept Videos
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p-n Diode - Part 1
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p-n Diode - Part 2 ...
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