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Questions and Answers
Which type of radiation produces fast electrons with small mass and unit electrical charge, leading to sparse ionization?
Which type of radiation produces fast electrons with small mass and unit electrical charge, leading to sparse ionization?
- Beta particles
- X-ray photons (correct)
- Neutrons
- Protons used in radiotherapy
What is the definition of Linear Energy Transfer (LET)?
What is the definition of Linear Energy Transfer (LET)?
- LET is the total energy deposited by radiation in a biological material.
- LET is the energy transferred per unit length of the track. (correct)
- LET is the measure of radiation intensity in a given area.
- LET is the rate of energy loss in a medium by a charged particle.
What does higher Linear Energy Transfer (LET) correspond to?
What does higher Linear Energy Transfer (LET) correspond to?
- Greater energy deposition, making radiation more biologically effective. (correct)
- No impact on the biological effectiveness of radiation.
- Lower energy deposition, making radiation less biologically effective.
- A decrease in radiation intensity.
Which type of radiation forms a dense column of ionization along the particle track?
Which type of radiation forms a dense column of ionization along the particle track?
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What is the variation in ionization density for high-energy protons used in radiotherapy?
What is the variation in ionization density for high-energy protons used in radiotherapy?
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