How x-rays are produced

Gamma rays are produced by the ___ of ___ elements.

Used in nuclear medicine (scintigraphy)

(a)  

An x-ray is produced by the interaction of ___ moving ___ with a ___ target used in radiography

(a)  

Select the properties of x-rays ...

• High frequency

• Low frequency

• Short wavelength

• Long wavelength

An x-ray tube contains an ___ and ___ to aid in the production of the x-rays.

(a)  

What is the Cathode?

• Shapted to form a bevelled disk

• Where the x-rays are produced

• Expels the electrons and focuses in a beam

• Wire filament made of tungsten

• A filament made of tungsten

As the cathode filament ___ up a cloud of free ___ forms around the wire.

This process is called ___ ___

(a)  

In the cathode, what keeps the cloud of electrons held together?

• The tungsten

• Negative focusing cup

• Bevelled disk

• Positive focusing cup

• The focus spot on the anode

What is the Anode?

• Where the x-rays are produced

• Where free electrons form around a wire

• Connected to the positive side of the circuit

• Where thermionic emission happens

• Bevelled disk

Tungsten is used in the anode because of its high ___ ___ and high ___ ___

(a)  

When a ___ diffrence is applied to the tube, ___ hit the anode target at high ___ producing the x-rays.

(a)