Microwaves Range in Wavelength from About 2 $\times$ 10^-2 Cm to About 5

Multiple Choice

Microwaves range in wavelength from about 2.0 $\times$ 10^-2 cm to about 5.0 cm.What is the maximum energy in eV that a microwave may have?

A) 0.025 meV
B) 6.2 meV
C) 2.5 eV
D) 6.2 eV
E) 0.62 meV