An endoscope is used to view an area inside the body - AQA - A-Level Physics - Question 1 - 2018 - Paper 5
Question 1
An endoscope is used to view an area inside the body. The endoscope contains two bundles of optical fibres.
Name each bundle and explain its use in the process.
Worked Solution & Example Answer:An endoscope is used to view an area inside the body - AQA - A-Level Physics - Question 1 - 2018 - Paper 5
Step 1
Coherent bundle
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Answer
The coherent bundle consists of a fixed arrangement of optical fibres at each end of the endoscope. This type is used to transmit images from inside the body to the viewer, maintaining the spatial relationship of the light signals and allowing clear visualization.
Step 2
Non-coherent bundle
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Answer
The non-coherent bundle has a random arrangement of optical fibres. It is used to transmit light into the body, illuminating areas under investigation, rather than transmitting images.
