Electrons with energy 80 keV are incident on tungsten target of X ray tube K shell electrons of tungsten have 72 5 keV energy X

Question

Electrons with energy 80 keV are incident on tungsten target of X ray tube K shell electrons of tungsten have 72 5 keV energy X rays emitted by the tube contain 1 A continuous X ray spectrum with minimum wavelength 0 155 A 2 Only a continuous X ray spectrum with all wavelength 3 Characteristic X ray spectrum of tungsten CH 4 Both 1 3

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