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1 - Radiation safety elements : time, sheilding and distance.


2 -what are the differences bw the two x-ray types (char and brem) ?


3- Definitions: * Thermionic emission.
               * Sievert.
               * Absorbed dose.
               * Creep.
               * Atomic Emission
               * Background Radiation
               * Thermal Diffusivity
               * Thermal Conductivity
               * Ductility.

4- Sources of radiation >> the diagram ( radon , internal . bla bla bla ) + their
percentages.



5-   I= Io e-μx
What is μ? >> Total linear attinuation coef.
and its unit ? >> 1/cm
What is x ? >> Thickness of material



6- X-ray machine components.
7- The ankle's diagram >> forces
8- Lever classes.
9- Types of stress (tensile , compressive and shear)
10- ALARA; As Low As Reasonably Achievable

13- Refraction, Reflection stuff; the equation (n1sinQ1=n2sinQ2)

14- Properties of laser; (Single wavelength, coherent & collimated)

15- Stress-Strain Diagram (Elastic region, elastic limit, bla bla bla)

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Physics questions(1)

  • 1. 1 - Radiation safety elements : time, sheilding and distance. 2 -what are the differences bw the two x-ray types (char and brem) ? 3- Definitions: * Thermionic emission. * Sievert. * Absorbed dose. * Creep. * Atomic Emission * Background Radiation * Thermal Diffusivity * Thermal Conductivity * Ductility. 4- Sources of radiation >> the diagram ( radon , internal . bla bla bla ) + their percentages. 5- I= Io e-μx What is μ? >> Total linear attinuation coef. and its unit ? >> 1/cm What is x ? >> Thickness of material 6- X-ray machine components. 7- The ankle's diagram >> forces 8- Lever classes. 9- Types of stress (tensile , compressive and shear) 10- ALARA; As Low As Reasonably Achievable 13- Refraction, Reflection stuff; the equation (n1sinQ1=n2sinQ2) 14- Properties of laser; (Single wavelength, coherent & collimated) 15- Stress-Strain Diagram (Elastic region, elastic limit, bla bla bla)