A) \[\frac{eV}{hc}\]
B) \[\frac{hc}{eV}\]
C) \[\frac{ch}{eV}\]
D) \[\frac{h}{V}\]
Correct Answer: B
Solution :
If an electron is accelerated by potential difference V, then minimum wavelength of X-rays \[{{\lambda }_{\min }}=\frac{hc}{eV}\].
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