The pressure inside an X-ray tube is approxim | vedclass

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Question

(C) An $X$-ray tube requires a very high vacuum to prevent the ionization of residual gas molecules by accelerated electrons,which would cause electri

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$10^{-6} \, mm$ of $Hg$

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(C) An $X$-ray tube requires a very high vacuum to prevent the ionization of residual gas molecules by accelerated electrons,which would cause electrical discharge and damage the tube. The operating pressure inside an $X$-ray tube is typically maintained at a very low level,approximately $10^{-5} \, mm$ to $10^{-6} \, mm$ of $Hg$. Among the given options,$10^{-6} \, mm$ of $Hg$ is the correct order of magnitude.

The pressure inside an $X$-ray tube is approximately:

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