17-Phys-B1 Radiation Physics
Worked solutions to 5 past sittings (2013–2017), 35 questions. Pick a sitting, or start from a topic below.
Topics across the sittings
Topics that come up in more than one sitting, taken from the headings of our worked solutions. A topic counts once per sitting.
- Attenuation (2 sittings): May 2015 Q3 · December 2013 Q2
- Electron Field (2 sittings): December 2017 Q4 · May 2016 Q4
- X-rays (2 sittings): May 2016 Q7 · December 2013 Q2
Questions by sitting
December 2017
- Question 1: Hanford Tunnel Collapse — Historic Radiation Level, Decay, and Inspection Planning
- Question 2: Self-Powered Neutron Detectors — Materials, Mechanisms, and Placement
- Question 3: Equal Mean Power Density Between Two Radio Stations
- Question 4: Pair-Production Threshold — Nuclear Field vs. Electron Field
- Question 5: Can Visible Light Photoeject an Electron from Sodium?
- Question 6: Radioactive In-Growth — Count-Rate Table, Linearity, and Daughter Half-Life
- Question 7: Port Hope Legacy Waste, CANDU Fuel Chemistry, and Precise Reporting
December 2016
- Question 1: Fukushima Cooling-Water Isotopes and Caesium's Effective Half-Life
- Question 2: Cyclotron Vault Mixed-Field Dose Rates — Sv to Gy
- Question 3: Non-Ionizing EM Field of a 50 kW Radio Transmitter
- Question 4: Inverse Compton Scattering — Generating 10 MeV Photons
- Question 5: Detection, Instrumentation and Shielding of Fission-Neutron Radiation
- Question 6: SMR vs. Renewable Energy for an Off-Grid Northern Community — Professional Memo
- Question 7: Radioiodine ( 131 I) Thyroid Dosimetry for Graves' Disease
May 2016
- Question 1: Tritium Production Mechanisms and Radiation-Protection Tenets
- Question 2: Mixed-Field Equivalent Dose from Neutron and Gamma Exposure
- Question 3: Planck's Constant as the Quantum of Action
- Question 4: Pair-Production Threshold in a Nuclear vs. an Electron Field
- Question 5: Energetics and Radioactivity of Thermal-Neutron Fission
- Question 6: Counting Statistics of a Growing Daughter Activity
- Question 7: Comparing Laser, Microwave, X-ray and Gamma-ray Radiation
May 2015
- Question 1: Binding Energy and Nuclear Stability
- Question 2: Poisson Statistics of Radioactive Decay
- Question 3: Gamma-Ray Shielding and Attenuation vs. an X-ray Source
- Question 4: Neutron and Microwave Moisture Gauges; Detecting Neutral Radiation
- Question 5: Internal Dosimetry of Iodine-131 in the Thyroid
- Question 6: Radiation Survey Plan for an Abandoned Uranium Mine
- Question 7: Nuclear Energy Worker Dose Limits and Airborne Exposure
December 2013
- Question 1: Atomic and Nuclear Structure, Isotopes, Radioactivity
- Question 2: X-rays, Attenuation and Absorption in Matter, Dosimetry
- Question 3: Detection of Radiation, Radiation Instrumentation, Radiation Protection
- Question 4: Non-Ionizing Radiation
- Question 5: Radiation Safety and Standards
- Question 6: Radioactivity, Dosimetry — I-131 Thyroid Treatment
- Question 7: Detection of Radiation — NaI(Tl) Gamma Spectroscopy