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The photoelectric effect report

  1. Jul 15, 2013 #1
    1. The problem statement, all variables and given/known data
    So I recently performed the photoelectric effect experiment in my physics class, where we measured the stopping voltage at different wavelengths of light by using filters with different levels of grating.
    I measured the stopping voltage and plotted them on a graph against frequency to gain values for (h) experimental plancks constant, threshold frequency and the work function

    I have come to the point where I need to write a conclusion but I can't think of anything that I have concluded by the use of these formula, which supports my hypothesis.

    2. Relevant equations
    f0 = W/h
    W = hf0


    3. The attempt at a solution
    I know that as the wavelength of light is changed , it will cause a change in the stopping voltage. But I need a way to explain this in terms of my graphical data, which evaluates the information I recorded by observing the experiment. So far all I can conclude is that a change in the independent variable causes a increase or decrease in the dependent variable which was expected.

    I need some more key points which show a deeper understanding of the concept in this experiment and the photoelectric effect.
    Can anyone point me in the right direction to what I should be looking for and discussing in this report?
    1. The problem statement, all variables and given/known data



    2. Relevant equations



    3. The attempt at a solution
     
  2. jcsd
  3. Jul 16, 2013 #2

    ehild

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