For an X-Ray Tube to Produce X Rays with a Wavelength

Multiple Choice

For an x-ray tube to produce x rays with a wavelength as short as 0.025 nm, the electrons must be accelerated by a potential difference of

A) 550 kV.
B) 0.25 kV.
C) 50 kV.
D) 2.4 kV.
E) 1 MV.