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Questions and Answers
What is the primary mechanism by which X-rays interact with matter?
What is the primary mechanism by which X-rays interact with matter?
What is the term used to describe radiation that can form ions in matter?
What is the term used to describe radiation that can form ions in matter?
What is the primary effect of X-rays on biological tissues?
What is the primary effect of X-rays on biological tissues?
What is the primary reason for using X-rays in medical imaging?
What is the primary reason for using X-rays in medical imaging?
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What safety precaution is most important when working with X-ray sources?
What safety precaution is most important when working with X-ray sources?
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What is a characteristic of X-ray light that differentiates it from other forms of electromagnetic radiation?
What is a characteristic of X-ray light that differentiates it from other forms of electromagnetic radiation?
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What is the energy range of X-rays?
What is the energy range of X-rays?
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What is a reason why X-rays are classified as ionizing radiation?
What is a reason why X-rays are classified as ionizing radiation?
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What is a precaution that should be taken when working with X-rays?
What is a precaution that should be taken when working with X-rays?
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What is a property of X-rays that makes them useful for medical imaging?
What is a property of X-rays that makes them useful for medical imaging?
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What is the primary reason for the high penetration power of X-rays?
What is the primary reason for the high penetration power of X-rays?
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Which type of radiation is stopped by a few millimetres of aluminium?
Which type of radiation is stopped by a few millimetres of aluminium?
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What is the primary source of X-ray production?
What is the primary source of X-ray production?
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Who is credited with the discovery of X-rays?
Who is credited with the discovery of X-rays?
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What is the result of X-rays interacting with living tissue?
What is the result of X-rays interacting with living tissue?
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What is the primary reason for the use of extensive shielding in X-ray applications?
What is the primary reason for the use of extensive shielding in X-ray applications?
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Study Notes
X-rays
- X-rays tend to act more like particles than waves
- Wavelength range: 0.01 to 10 nanometers
- Energy range: 120 eV to 120 keV
- Can form ions in matter by knocking electrons off atoms and molecules, making them ionization radiation
Characteristics of X-rays
- Overlap with gamma-rays
- Electromagnetic photons or radiation
- Produced from orbiting electrons or free electrons, usually machine produced
- Produced when electrons strike a target material inside an X-ray tube
- Emitted with various energies and wavelengths
- Highly penetrating, requiring extensive shielding
- External radiation hazard
History of X-rays
- Discovered in 1895 by Roentgen
Penetrating Power
- Alpha (α) particles: high mass, stopped by a few centimeters of air
- Beta (β) particles: small mass, stopped by a few millimeters of aluminum
- Gamma (Ɣ) particles: zero mass, stopped by thick lead or concrete
Ionization Radiation
- Produced by unstable atoms with excess energy or mass
- Ionizing radiation can form ions in matter by knocking electrons off atoms and molecules
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Description
Learn about the properties of X-rays, including their wavelength and energy ranges, and how they act like particles. Test your understanding of these high-energy electromagnetic waves.
