A laser used to weld detached retinas emits light with a wavelength of 652 nm in pulses that are 20.0ms in duration. The average power during each pulse is 0.6 W. then,
A. `7.5xx10^(15) eV,2.7 eV`
B. `6.5xx10^(16) eV,2.9 eV`
C. `6.5xx10^(16) eV,2.7 eV`
D. `7.5xx10^(16) eV,1.9 eV`