Physics A-Level
Photomultiplier tubes
What Photomultiplier tubes means in Physics A-Level, as defined for OCR.
Definition of Photomultiplier tubes
Check what you remember
Read the wording for your board, then hide it and explain Photomultiplier tubes in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
An array of tubes in which each tube's photocathode releases electrons by the photoelectric effect and dynodes multiply the signal by secondary emission.
Topics that use Photomultiplier tubes
- Diagnostic methods in medicine (OCR A-Level)
Related terms
- Annihilation
- Clinical diagnosis from count maps
- Coincidence detection
- Collimator
- Computer
- Fluorine–18
- Functional medical imaging
- Medical tracer
Using Photomultiplier tubes in the exam
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