In a p-type semiconductor the acceptor level is situated 60 m eV above the valence band. The maximum wavelength of light required to produce a hole will be [use hc `=12400 eV Å]`.
A. `0.207xx10^(-5) m`
B. `2.07xx10^(-5) m`
C. `20.7xx10^(-5) m`
D. `207xx10^(-5) m`