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Which of the following is an example of indirect ionizing radiation? O alpha particle carbon ions O negative pions Proton Opositron neutron Clear my choice
During a treatment using Co-60 beam (dmax=0.5 cm), the SSD increased from 80 cm to 120 cm. Calculate the factor by wich the Percentage Depth dose increases at d=10 cm. Give your answer up to 2 decimal points, eg. 2.03. Answer: 20
n. n. What is the radius of a the circle equivalent to a square of length of 12 cm. Give your answer to the first decimal point, eg. 10.6 Answer: 6.8
If the dose at a depth of 8 cm us 250 cGy and the Percentage Depth Dose at that depth (P=65.4), what would be the maximum dose. Give your answer as an integer, eg. 120 Answer: 12%