2 Written questions
1 Multiple choice question
- The amount of energy transferred to irradiated material (J/Kg). Measured in Grays (1 Gray = 1 J/Kg) [large amount, tend to use milligrays]
1 True/False question
Exposure → Electric charge is a measure of the amount of ionisation caused by a beam of radiation passing through the air, and the total electric charge formed in a given mass of air is called exposure. Measured in coulombs per kilogram.