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 onlyA. a continuous X-ray spectrum with a minimum wavelength of `0.155 Å`B. a continuous X-ray spectrum with all wavelengthsC. a characteristic X-ray spectrum of tungstenD. a continuous X-ray spectrum with a minimum wavelength of `0.155 Å` and a characteristic X-ray spectrum of tungsten

Electrons with energy `80 keV` are incident on the tungsten target of

1.	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 onlyA. a continuous X-ray spectrum with a minimum wavelength of `0.155 Å`B. a continuous X-ray spectrum with all wavelengthsC. a characteristic X-ray spectrum of tungstenD. a continuous X-ray spectrum with a minimum wavelength of `0.155 Å` and a characteristic X-ray spectrum of tungsten
Answer» Correct Answer - D

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