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Figure 5: Effect of beam obliquity on dose distribution. The data were measured at 1 cm depth in water phantom for 10 MeV electron beam and 10 cm × 10 cm applicator (a) 15 MeV electron beam and 10 cm × 10 cm applicator (b) 10 MeV electron beam and 15 cm × 15 cm applicator (c) 15 MeV electron beam and 15 cm × 15 cm applicator (d) At gantry angle of 25° for Siemens Primus Plus linear accelerator 
