IS it possible to get the value of the wavelength given spectrum was produced using 50000V knowing the values of all physical constants?

Would use this formula if I knew wavelength:

E=hc/Lamda

Regards,..

- August 2nd 2012, 05:03 AMNeverquitEnergy of the x-ray peak given x-ray spectrum produced using 50,000V
IS it possible to get the value of the wavelength given spectrum was produced using 50000V knowing the values of all physical constants?

Would use this formula if I knew wavelength:

E=hc/Lamda

Regards,..