An X-Ray Tube Produces Photons with Wavelengths Down to a Minimum

Multiple Choice

An x-ray tube produces photons with wavelengths down to a minimum of $0.0827 \mathrm{~nm}$ . What is the accelerating potential for this tube?

A) $9.22 \mathrm{kV}$
B) $15.0 \mathrm{kV}$
C) $10.0 \mathrm{kV}$
D) $123 \mathrm{kV}$
E) $8.00 \mathrm{kV}$