A Certain Laser Radiates with a Wavelength of 2488 Nm

Multiple Choice

A certain laser radiates with a wavelength of 2488 nm. What is the energy difference, in electron volts, between the two energy levels involved in producing this light?

A) 0.50 eV
B) 0.65 eV
C) 0.45 eV
D) 0.60 eV
E) 0.55 eV