You measure 13.4 nC of charge in a Farmer chamber. The collecting volume of this chamber is 0.6 cm3. What is the dose to air in the chamber? The density of air is 1.2 x10-3 g/cm3. if Photon Spectra Swater Air 60Co 1.134 4 MV 1.131 6 MV 1.127 8 MV 1.121 10 MV 1.117 15 MV 1.106 20 MV 1.096 25 MV 1.093 35 MV 1.084