1 / 16

180 likes | 328 Views

FUNDAMENTALS OF PHYSICS OF RADIATION SCIENCE. REVIEW. R or C/KG Ion pair defines electric charge per unit of mass quantity of matter in a physical object is mass . REVIEW. Rad or ? . REVIEW. Rem or ?. Curie or Becqurel (Bq). Quantity of Radioactive material . Physics.

Download Presentation
## FUNDAMENTALS OF PHYSICS OF RADIATION SCIENCE

**An Image/Link below is provided (as is) to download presentation**
Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.
Content is provided to you AS IS for your information and personal use only.
Download presentation by click this link.
While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server.
During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

**REVIEW**• R or C/KG • Ion pair • defines electric charge per unit of mass • quantity of matter in a physical object is mass**REVIEW**Rad or ?**REVIEW**Rem or ?**Curie or Becqurel (Bq)**Quantity of Radioactive material**Physics**• Removes subjectivity • Simplifies (No… really!) • Base quantities (mass, length and time)(pg 29) • Derived Quantities (combination of the base quantities • Special quantities-support measurement of the derived quantities**Units**• Magnitude 100 or 72 • Units cm. or inches**MKS**CGS BRITISH SI Meter/kilogram/second centimeter/gram/second feet/pound/second extension of MKS +derived units and special units to represent derived quantities and special quantities SYSTEMS OF MEASUREMENTS**MECHANICS**• OBJECTS AT REST (STATIC) • OBJECTS IN MOTION (DYNAMIC) • MOTION—VELOCITY AND ACCELERATION. What is the difference? • Initial velocity, final velocity. • If velocity is constant the acceleration is zero!!!**Newton’s Laws of Motion**• Inertia • Force • For every action there is an equal and opposite reaction**WEIGHT**• Force of an object by gravity • Newtons in SI units • Pounds in British • weight=mass x gravity**MOMENTUM**• MASS x Velocity • Truck rolling down the hill vs skateboarder rolling down the hill • Which will have more momentum? Why?**WORK/POWER**• PRODUCE OF FORCE AND DISTANCE • UNIT IS JOULE • Power- rate of doing work (includes time) • A radiographer picks up (force)a cassette and places into the bucky(distance) in 3 seconds (time). This**ENERGY**• The ability to do work • May be transformed from one form to another but cannot be created or destroyed. • Mechanical energies used in x-rays: • Kinetic and potential**HEAT**• IMPORTANT IN RADIOLOGY. WHY? • HEAT IS KINETIC ENERGY. WHY? • UNIT OF MEASUREMENT-CALORIE • CONDUCTION-HOT TOUCHING COLD • CONVECTION-TRANSFER OF MOLECULES MECHANICALLY • RADIATION-THERMAL**THERMAL RADIATION**• TRANSFER OF HEAT BY EMISSION OF INFRARED RADIATION. (REDDISH GLOW) • X-RAY TUBES COOLED PRIMARILY BY RADIATION

More Related