Radioactivity — MCQ Practice
Interactive MCQ Practice
Test your knowledge. Click “Solve” to reveal options, select your answer, then check the result. 5 questions available.
A simple isolated parent radionuclide has a half-life of five years. What fraction of its initial parent population remains after fifteen years?
A parent nucleus with mass number 210 and atomic number 84 emits one alpha particle. What are the daughter’s mass number and atomic number?
Which pairing correctly distinguishes radioactivity from absorbed dose?
An idealised absorber receives 2 joules of radiation energy uniformly across a mass of 0.5 kg. What absorbed dose follows from the definition?
A sample’s parent activity falls from 800 Bq to 100 Bq under a simple decay model with no replenishment. Which conclusion is warranted about the parent nuclide?