q what is cut-off or stopping potential the
Q. What is cut-off or stopping potential?
The minimum negative (retarding) potential specified to the anode for which the photo electric current becomes zero is called the cut-off or stopping potential.
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q give the applications of moseleys law i the elements are organized in the periodic table according to the atomic numbers and not according to the
q what is maser give the principle of it 1 the term maser for microwave amplification through stimulated emission of radiation2 the working of maser
q a beam of electrons travelling with a speed of 4 x 107 ms-1 is projected normal to a magnetic field of b 10-3 wb m-2 what is the path of the beam
q what is photoelectric effectphotoelectric release is the phenomena by which a good number of substances chiefly metals emit electrons under the
q what is cut-off or stopping potential the minimum negative retarding potential specified to the anode for which the photo electric current becomes
q define threshold frequency the minimum frequency of incident radiation lower which the photoelectric emission isnt possible completely but high the
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q state any three laws of photo electric emissioni for a specified photo sensitive material there is a minimum frequency called the threshold
q name the types of photoelectric cellsthe photo electric cells are of three kindsa photo emissive cellb photo voltaic cell andc photo conductive
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