Which dosimeter may be used to obtain an immediate reading?

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Multiple Choice

Which dosimeter may be used to obtain an immediate reading?

Explanation:
Immediate reading is possible with a pocket dosimeter because it uses a small ionization chamber connected to a built-in electrometer that displays the dose as it accumulates. This lets the wearer read the exposure in real time, and even monitor the dose rate during work. Other dosimeters require external processing or reading steps: optical or laser readers for optically stimulated luminescence (OSL), heating to release trapped energy for thermoluminescent dosimeters (TLD), or developing/scanning film for film badges. Those readings are not truly immediate.

Immediate reading is possible with a pocket dosimeter because it uses a small ionization chamber connected to a built-in electrometer that displays the dose as it accumulates. This lets the wearer read the exposure in real time, and even monitor the dose rate during work. Other dosimeters require external processing or reading steps: optical or laser readers for optically stimulated luminescence (OSL), heating to release trapped energy for thermoluminescent dosimeters (TLD), or developing/scanning film for film badges. Those readings are not truly immediate.

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