Topic · MRI physics
MRI physics questions for FRCR Part 1
Practice spin physics, pulse sequences, image contrast, artefacts, and MRI safety — the MRI domain of the Part 1 syllabus.
Topics covered
Drill the MRI physics areas that show up across FRCR Part 1 stems.
Basic NMR
Spins, precession, and resonance
- Net magnetisation
- Larmor frequency
- RF excitation and flip angles
Relaxation & contrast
T1, T2, T2* and weighting
- T1 recovery
- T2 / T2* decay
- TR and TE effects on weighting
Pulse sequences
Spin echo, gradient echo, and variants
- Spin echo
- Gradient echo
- Inversion recovery / FLAIR overview
Spatial encoding
Gradients, k-space, and Fourier transform
- Slice selection
- Frequency / phase encoding
- k-space filling
Artefacts
Common MRI artefacts
- Chemical shift
- Motion / ghosting
- Susceptibility artefact
MRI safety
Static field, gradients, and RF deposition
- Projectile / implant risks
- SAR limits
- Acoustic noise and quenching
How FRCRX helps with MRI physics
Curriculum-aligned items
True/false stems mapped to MRI physics topics tested in FRCR Part 1 Physics.
Detailed explanations
Worked reasoning with formulae and diagrams where they clarify the concept.
Topic analytics
See which MRI physics subtopics lose marks so Topic Focus stays efficient.
Incorrects & bookmarks
Revisit misses instead of re-browsing the whole bank.
More FRCR physics topics
Related study
- FRCR Part 1 study guide — timeline and exam habits
- Physics formulas reference — quick constants and equations
- Pricing — full bank, mocks, and analytics
Start MRI Topic Focus
Jump into MRI physics practice, then clear Incorrects before your next mock.