If the potential difference applied across $X-$ ray tube is $V$ volts, then approximately minimum wavelength of the emitted $X-$ rays will be
If the potential difference applied across $X-$ ray tube is $V$ volts, then approximately minimum wavelength of the emitted $X-$ rays will be
- A
$\frac{{1227}}{{\sqrt V }}\;\mathring A$
- B
$\frac{{1240}}{V}\;\mathring A$
- C
$\frac{{2400}}{V}\;\mathring A$
- D
$\frac{{12400}}{V}\;\mathring A$
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