SQA National 5 Physics Area 6 Radiation overview quiz quiz
14questions. Pick an answer and you'll see why right away.
What is an alpha particle?
Which radiation is the most penetrating?
Which radiation is the most strongly ionising?
What material will stop beta radiation?
What does ionisation mean?
A source has 600 decays in 30 s. What is its activity?
Which relationship gives the absorbed dose?
What is the unit of equivalent dose?
Tissue absorbs 0.0030 Gy of alpha radiation (weighting factor 20). The equivalent dose is:
Which of these reduces the dose received from a source?
What is the half-life of a source?
A source of activity 1600 Bq has a half-life of 2 hours. Its activity after 6 hours is:
Radioactive decay is described as:
Why does a medical tracer usually have a short half-life?