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Electrons with energy 80 keV are inciden...

Electrons with energy `80 keV` are incident on the tungsten target of an X - rays tube , k- shell electrons of tungsten have `72.5 keV` energy X- rays emitted by the tube contain only

A

a continuous X-ray spectrum (bremssrahlung )with a minimum wavelength of ~0.0155 nm

B

a continuous X-ray spectrum (bremsstrahlung ) with all wavelengths

C

the charcterstic X-ray spectrum of tungsten

D

a continuous X-ray spectrum (bremsstrahlung ) with a minimumwavelength of ~0.0155 nm and the characterstic X-ray spectrum of tungsten

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The correct Answer is:
d
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