Modern Physics 4 Question 17
17. Electrons with energy are incident on the tungsten target of an X-ray tube. -shell electrons of tungsten have energy. X-rays emitted by the tube contain only
(2000, 2M)
(a) a continuous X-ray spectrum (Bremsstrahlung) with a minimum wavelength of
(b) a continuous X-ray spectrum (Bremsstrahlung) with all wavelengths
(c) the characteristic X-ray spectrum of tungsten
(d) a continuous X-ray spectrum (Bremsstrahlung) with a minimum wavelength of
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Solution:
- Minimum wavelength of continuous
-ray spectrum is given by in
Here
Also the energy of the incident electrons