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  1. P

    threshold frequency and work function question

    I think I am missing something but how is the work function 4eV when the threshold frequency is 10hz, cus don't you just use E=hf. Thanks
  2. P

    what is price discrimination

    if price discrimination is under consumer laws as an influence on marketing, does it make it illegal? I was looking over a QATS 2022 paper and the answers make it seem like its pretty normal.
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