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  • Duane-Hunt displacement law and Planck's
  • Duane-Hunt displacement law and Planck's
Duane-Hunt displacement law and Planck's Duane-Hunt displacement law and Planck's

Duane-Hunt displacement law and Planck's "quantum of action"

Item no.: P2540905
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Principle

X-ray spectra are recorded as a function of the anode voltage. The short wavelength limit of the bremsspectrum is used to determine the agreement with the Duane-Hunt displacement law, and to determine Planck's "quantum of action".

Tasks

  1. Record the intensity of the X-rays emitted by the copper anode at various anode voltages as a function of the Bragg angle using an   LiF monocrystal.
  2. Determine the short wavelength limit (= maximum energy) of the bremsspectrum for the spectra obtained in (1).
  3. Use the results to verify the Duane-Hunt displacement law, and to determine Planck's "quantum of action".

What you can learn about

  • X-ray tube
  • Bremsstrahlung
  • Characteristic X-ray radiation
  • Energy levels
  • Crystal structures
  • Lattice constant
  • Interference
  • Bragg equation

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