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Presentation Unit 21 - Medical Physics Applications

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(A power-point presentation) Graded as a Distinction - Discusses Ionising and non-Ionising radiation techniques - Ionising meaning and detailed examples of Ionising techniques, showing its uses, benefits and limitations. Similar to Non-Ionising radiation. Has a full summary and conclusion at the e...

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  • March 27, 2024
  • 23
  • 2023/2024
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Unit 21: AB
Medical
Physics
By: Nikki Moslares

,IONISING
RADIATION
TECHNIQUES
What is ionizing radiation?
- a radiation emitted from an unstable
nuclei (alpha, beta and gamma particles)
- When it passes through matter,
chemical bonds will break which leads to
the production of charged ions.

, X-ray
- it is part of the electromagnetic spectrum. It
energy is well suited for medical applications

- it is produced when high-speed electrons sto
as it hits a metal target plate. (100kV electric
potential to accelerate X-rays).

-X-rays are slightly absorbed or dispersed in t
presence of molecules and atoms.

HOW DOES X-RAYS PRODUCE AN IMAGE?

- X-rays penetrate the body and will then scat
denser parts of the body such as the Bone.

- As the X-ray passes through a person, it gat
energy from the other side to identify what bo
blocked the beam.
Advantages and disadvantages of X-ray - javatpoint

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