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Find the maximum potential difference which may be applied across an X-ray tube with tungsten target without emitting any characteristic K or L X-ray. The energy levels of the tungsten atom with an electron knocked out are as follows. Cell containing vacancy K L M Energy in keV 69.5 11.3 2.3

Find the maximum potential difference which may be applied across an X-ray tube with tungsten target without emitting any characteristic K or L X-ray. The energy levels of the tungsten atom with an electron knocked out are as follows.
Cell containing vacancy K L M
Energy in keV 69.5 11.3 2.3

Grade:upto college level

1 Answers

Navjyot Kalra
askIITians Faculty 654 Points
6 years ago
Let for, k series emission the potential required = v ∴ Energy of electrons = ev This amount of energy ev = energy of L shell The maximum potential difference that can be applied without emitting any electron is 11.3 ev.

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