In an X-ray tube electrons each of charge e are accelerated through V potential difference allowed to hit a metal target. The wavelength of the X-rays emitted is_______________?

In an X-ray tube electrons each of charge e are accelerated through V

1.	In an X-ray tube electrons each of charge e are accelerated through V potential difference allowed to hit a metal target. The wavelength of the X-rays emitted is_______________?
A.	he/ev
B.	he/Vc
C.	eV/h
D.	impossible to predict
Answer» B. he/Vc