3 (a) A CAT scanner uses X-rays - Edexcel - GCSE Physics - Question 3 - 2015 - Paper 1
Question 3
3 (a) A CAT scanner uses X-rays.
It is used in hospitals to ‘see’ inside the body.
(i) Describe one other use of X-rays.
(ii) The diagram shows a CAT scanner in us... show full transcript
Worked Solution & Example Answer:3 (a) A CAT scanner uses X-rays - Edexcel - GCSE Physics - Question 3 - 2015 - Paper 1
Step 1
Describe one other use of X-rays.
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Answer
X-rays can be used in security settings, such as in airports, to detect illegal items. They are also utilized in the medical field to diagnose broken bones, as they provide insight into the internal structure of the body.
Step 2
Label the two parts of the scanner.
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Answer
The upper part of the scanner is labeled as 'X-ray tube' while the lower part is labeled as 'detector'.
Step 3
Explain how this beam of electrons is produced.
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Answer
A beam of electrons is generated when a heated filament emits electrons. The filament is heated to a high temperature, causing electrons to be released. These electrons are then accelerated towards an anode, creating the beam necessary for producing X-rays.
