Recent content by ciaranciaran1

  1. C

    Calculating the visible emission spectrum for hydrogen

    I should of said, r, the rydberg constant, is given.
  2. C

    Calculating the visible emission spectrum for hydrogen

    so the title speaks for itself i hope. my problem is i don't know how to work the formula. what are the ns about?? lamba^-1 = R(n1^-2 - n2^-2)
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