Podcast
Questions and Answers
What is the tenth value layer (TVL) of concrete for a 10 MV photon beam?
What is the tenth value layer (TVL) of concrete for a 10 MV photon beam?
- 10 cm
- 12.83 cm
- 42.64 cm (correct)
- 5.32 cm
What type of interactions do energetic charged particles undergo with absorber atoms?
What type of interactions do energetic charged particles undergo with absorber atoms?
- Ionization loss (correct)
- Scattering loss
- Atomic nuclei loss
- Magnetic loss
What is the mean free path for concrete in this scenario?
What is the mean free path for concrete in this scenario?
- 42.64 cm (correct)
- 21.32 cm
- 5.32 cm
- 10 cm
Which property does the energy loss of a charged particle depend on?
Which property does the energy loss of a charged particle depend on?
What is characterized by collision stopping power for charged particles?
What is characterized by collision stopping power for charged particles?
What type of interaction between an incident electron and an absorber nucleus results in electron scattering and no energy loss?
What type of interaction between an incident electron and an absorber nucleus results in electron scattering and no energy loss?
What is the major contributor to linear attenuation coefficient?
What is the major contributor to linear attenuation coefficient?
What does the absorption edge represent in terms of photon energy?
What does the absorption edge represent in terms of photon energy?
In the Compton effect, why is the scattered photon's energy lower than the incident photon's energy?
In the Compton effect, why is the scattered photon's energy lower than the incident photon's energy?
Why is the Compton electronic attenuation coefficient independent of atomic number (Z)?
Why is the Compton electronic attenuation coefficient independent of atomic number (Z)?
What does the Compton wavelength-shift equation follow from?
What does the Compton wavelength-shift equation follow from?
How does the Compton electronic attenuation coefficient change with photon energy?
How does the Compton electronic attenuation coefficient change with photon energy?
What is the main condition required for pair production to occur?
What is the main condition required for pair production to occur?
Which of the following statements is true about electronic pair production?
Which of the following statements is true about electronic pair production?
What contributes to over 90% of the pair production mass attenuation coefficient?
What contributes to over 90% of the pair production mass attenuation coefficient?
What is the relationship between the linear attenuation coefficient and photon energy?
What is the relationship between the linear attenuation coefficient and photon energy?
Which absorber thickness attenuates beam intensity to 50% of the original intensity?
Which absorber thickness attenuates beam intensity to 50% of the original intensity?
What is the absorber thickness called that attenuates beam intensity by 36.8%?
What is the absorber thickness called that attenuates beam intensity by 36.8%?
How is the linear attenuation coefficient experimentally determined?
How is the linear attenuation coefficient experimentally determined?
Which parameter characterizes the probability per unit path length that a photon will interact with an absorber?
Which parameter characterizes the probability per unit path length that a photon will interact with an absorber?
What does the mean free path represent in terms of absorption by an absorber?
What does the mean free path represent in terms of absorption by an absorber?
What is the role of the tenth-value layer in characterizing absorbed radiation?
What is the role of the tenth-value layer in characterizing absorbed radiation?
