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Linear Accelerator Basics

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Questions and Answers

What is the frequency of the resonance cavity of medical linear accelerators?

4 million Hertz

3 billion Hertz (correct)

2 billion Hertz

5 million Hertz

What did R. Wideroe demonstrate in 1928?

Photons could be accelerated through a tube using radio frequency voltage

Electrons could be accelerated through a tube using radio frequency voltage (correct)

Neutrons could be accelerated through a tube using radio frequency voltage

Protons could be accelerated through a tube using radio frequency voltage

When were medical linear accelerators first used clinically?

Early 1950’s (correct)

1960’s

1940’s

Late 1930’s

What type of beam can be used to treat deep-seated tumors in a linear accelerator?

<p>X-rays</p> Signup and view all the answers

What is the energy range of electron beams used in linear accelerators for radiation therapy?

<p>4 - 22 MeV</p> Signup and view all the answers

Study Notes

Medical Linear Accelerators

The frequency of the resonance cavity of medical linear accelerators is 100-300 MHz.
In 1928, R. Wideroe demonstrated the first linear accelerator, which accelerated ions using radiofrequency (RF) electric fields.
Medical linear accelerators were first used clinically in the 1950s.
A high-energy photon beam can be used to treat deep-seated tumors in a linear accelerator.
The energy range of electron beams used in linear accelerators for radiation therapy is 4-25 MeV.

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Description

Test your knowledge about the fundamental concepts of linear accelerators, including the use of high Radio‐Frequency (RF) electromagnet waves and the generation of high-energy electron beams.