Out of the images shown, the image D is a scintillation counter.
What is the scintillation counter?
The scintillation counter is a device that is used to obtain the radioactivity of a sample to be measured which is in the liquid state. It has its photocell exposed directly to the sample in order to take a reading.
From the images shown, the image D is a scintillation counter.
Learn more about a scintillation counter:https://brainly.com/question/12763694?
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