A researcher is carrying out an experiment on the photoelectric effect. Electromagnetic radiation of different frequencies is
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A researcher is carrying out an experiment on the photoelectric effect. Electromagnetic radiation of different frequencies is incident on a metal and the maximum kinetic energy of the emitted electrons is determined. The researcher plots a straight-line graph of maximum kinetic energy of the electrons k.emax against the frequency f of the radiation. Which row is correct?
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Gradient of graph y-intercept of graph A the Planck constant work function of metal B threshold frequency the Planck constant C threshold wavelength threshold frequency D work function of metal threshold wavelength Table 28.6
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The correct row is Row 3 The gradient of the graph is proportional to Plancks constant Explanati...View the full answer
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Related Book For
Cambridge International AS And A Level Physics Coursebook
ISBN: 9781108859035
3rd Edition
Authors: David Sang, Graham Jones, Gurinder Chadha, Richard Woodside
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