<prompt> Which among the following has maximum ionizing powerNeutronProtonX-raysAlpha rays  <response>: Ans: d Alpha rays Ref: Park, 19th ed, p. Harrison, 16th ed, p. 483Alpha rays is having maximum ionizing power among the above options.Most ionizing radiation - alpha raysMaximum penetrating power -beta rays alpha beta gammaMaximum scattering electrons - H ionsRadiation effectsPhotoelectric effect -Low energy 30-100 KeVdiagnostic radiologyCompton effect -high energy -therapeutic radiologyPair production -higher 1.02 MeV 