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Transcribed Image Text:TAQ 5:
Assessment criteria 3.3
1. Calculate the absorbed dose of radiation for tissue that suffers a
mean energy absorbed of 0.42 Joules in a quantity of tissue that has a
mass of 60 grams.
2. What is the effective dose received by the prostate gland for an
external source in a case where the absorbed dose is 760 J/kg and
the radiation is in the form of beta particles. The tissue weighting
factor for prostate gland tissue is 0.05.
3. Calculate the mass of air that has received an x-ray exposure of
0.00038 Ckg. The charge of the air after the radiation has passed
through is 28 x 10-17 C.
4. During an experiment 30% of a tissue is damaged by 8Gy of 250keV
energy X-ray. The same damage is made in the same tissue by 3Gy
of protons, 1.2 GY of neutrons and 0.5Gy of alpha rays. Calculate the
RBE for protons neutrons and alpha rays.
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