The minimum wavelength of `X` - rays produced by electrons accelerated by a potential difference of volts is equal to

Options

A. `( eV)/( h c)`
B. `(e h)/( c V)`
C. `(hc)/( eV)`
D. `( c V)/( eh)`

Answer

C

Explanation

`E = eV = hv_(max) = (hc)/(lambda_(min)) rArr lambda_(min) = (hc)/(eV)`