What is the Duane-Hunt Limit?
Most recent answer: 03/23/2012
Q:
What is Duane-Hunt limit?How is it useful in x-ray spectroscopy?
- sankaracharyulu (age 48)
karaikal ,puducherry,india
- sankaracharyulu (age 48)
karaikal ,puducherry,india
A:
The D-H limit is simply a consequence of the conservation of energy. X-rays are produced by energetic electrons when they undergo de-acceleration. The lost energy of the electrons can be converted into photons. The frequency of these photons is related to their energy loss by f=E/h where f is the frequency, E is the energy loss, and h is Planks constant. Since the maximum energy loss of the electron is eV, where V is the accelerating voltage, and e is the charge on an electron, the maximum frequency f=eV/h (and correspondingly the minimum wavelength) of the Duane-Hunt limit follows.
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LeeH
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LeeH
(published on 03/23/2012)