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How much energy is imparted to one cell during one day’s treatment? Assume that the specific gravity of the tumor is 1 and that 1 J = 6 _* 10¹⁸ eV. (a) 120 keV; (b) 12 MeV; (c) 120 MeV; (d) 120 _* 10³ MeV.

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