<prompt> Mega voltage therapy consists of:Greater than 1000 k volts500-1000Less than 500More than 2000  <response>: Ans: A Greater than 1000 k volts Ref: Internet sourceExplanation:Megavoltage X-rays are produced by linear acceleratorsOperates at voltages in excess of 1000 kV 1 MV range, and therefore have an energy in the MeV rangeBeams w ith the voltage range of 4-25 MV are used to treat patients because they penetrate w ell to deep sites within the body. 