At a phantom depth of 10 cm, on the central axis, scatter contribution to the dose is more for an accelerator photon beam compared to a Co-60 beam.
NO, Scatter towards the central axis decreases as the beam quality (energy) increases; hence the decrease in the field size dependence seen for higher energy photon beams.
SO SCATTER CONTRIBUTION TO DOSE IS LESS FOR LINACS THAN A CO-60 Machine.
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