01:160:163 Study Guide - Midterm Guide: Photon, Lead, Diffraction
20 Mar 2015
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Constant is 5. 67: 10 8 w(cid:215)m 2(cid:215)k 4, wien"s law: tl max = constant (relates temperature to wavelength at maximum intensity) Quantum theory: em radiation is quantized by e = hn: resolution to ultraviolet catastrophe which predicted intense radiation for all heated objects with t > 0, postulated by max planck to explain black body radiation. 2 1 n2 n1: n2 is upper level and n1 is lower level, lyman series (n1 = 1), balmer series (n1 = 2), paschen (n1 = 3), brackett (n1 = 4), pfund (n1 = 4 0 r: (charge of electron, charge of proton) (4, pi, vacuum permittivity, distance, 0 is 8. 854188, 10 12 c2/j(cid:215)m. The possible energy levels of an electron in an atom are given by: en= z2 n2 (h r) n=1, 2, 3 : derived by solving wave equation with coulomb potential energy.
