Radiography Physics

This course was updated on 09/2022

This course was designed for Radiology residents and other medical professionals such as x-ray technologists, medical students, and physicists studying Radiography Physics. The course is also a great refresher for physicians who want to brush up on radiographic imaging principles.


1 Year Access

(Single User License)

Training 5 or more people? Click here

This course includes:

Short, focused topical videos

State of the art video animations

Access to course instructor

On-demand content

Engaging questions

Clinically relevant examples

Physics that is Easy to Learn and Understand

Learning physics is hard. It is even harder when the information presented is too in-depth and not clinically focused. Our courses help medical professionals shorten the learning curve with engaging and easy-to-understand video animations.

Course Content

  • Introduction
  • Module 1: Making X-rays
  • Module 2: Focal Spot Size & Anode Angle
  • Module 3: Magnification & Geometric Blur
  • Module 4: X-ray Beam Quality
  • Module 5: X-ray Beam Quantity
  • Module 6: Image Formation
  • Module 7: Scattered Radiation
  • Module 8: Managing Scatter
  • Module 9: Automatic Exposure Control
  • Module 10: Radiographic Detectors
  • Module 11: Image Quality
  • Module 12: Artifacts
  • Module 13: Radiation Dose & Safety

What You Will Learn

  • Principles of image formation
  • Factors that affect image quality
  • Effective and Safe Use of Equipment


  • 10-15 minutes per module
  • 3 hours total to complete the course
  • A quiet spot or headphones

1) I'm a... *

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2) Which of the following topics are you interested in? *

Choose as many as you like
  • Radiography

  • Ultrasound

  • Fluoroscopy

  • Mammography

  • Computed Tomography

  • Magnetic Resonance Imaging

  • Nuclear Medicine

  • Radiation Safety

  • Radiation Biology

  • Other

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3) Which of the following best describes your age? *

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4) What is the single biggest challenge you have with learning imaging physics? *

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Karen Brown

Karen Brown

Ms. Brown is a Diagnostic Imaging Physicist for Penn State College of Medicine. She is Certified in Radiological Physics by the American Board of Radiology (ABR) and in Health Physics by the American Board of Health Physics (ABHP).


“Karen Brown is an exceptional educator who explains complicated radiology physics concepts simply and makes them practical to radiologists in training.  She is always available to clear up difficult ideas and provide clarification. Her lectures and questions were essential to pass the physics part of the boards in my residency training program.  As an Associate Program Director, I am excited to see her expertise offered widely.”

Lori Mankowski Gettle, MD, MBA
Associate Program Director Diagnostic Radiology Residency
University of Wisconsin School of Medicine and Public Health

“I have had the privilege of benefiting from Karen Brown’s teaching both as a residency program director and as a learner. Karen successfully applies adult learning principles and visual aid technology to make complex and confusing medical imaging topics easier to comprehend.Her lectures are concise and highly valued by our residents. It is no great surprise to me that this talented and dedicated educator has received multiple teaching awards.”

Donald Flemming, M.D.
Professor of Radiology and Orthopaedics
Penn State Milton S. Hershey Medical Center
“My residency program has been blessed to have Karen Brown on faculty for several years. She takes a tough subject – physics – and makes it accessible and relevant, not only for the CORE exam but for clinical practice. It’s clear she is passionate and dedicated to teaching as she is willing to meet with us 1-on-1 outside of lecture time to go over difficult topics if needed. She develops her own question sets and utilizes reverse classroom techniques to ensure long-term mastery of the material.”

Sparsh Gola, M.D.
Sparsh Gola, M.D.
Chief Resident, PGY-5 (2021-2022)
Penn State Milton S. Hershey Medical Center
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