What Wavelength,in Nm,can Strike a Metal Surface and Eject an Electron

Multiple Choice

What wavelength,in nm,can strike a metal surface and eject an electron at 1.89 × 10^-19 J if the binding energy of the metal is 289 kJ/mol?

A) 1.89 × 10^-19 nm
B) 2.75 nm
C) 189 nm
D) 290 nm
E) 297 nm