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Dosimeters Classification Quiz

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Questions and Answers

What distinguishes Immediate read dosimeters from Delayed read dosimeters?

Immediate read dosimeters use heat for analysis, while Delayed read dosimeters use light.

Immediate read dosimeters display a direct reading in real time, while Delayed read dosimeters store the signal for later analysis. (correct)

Immediate read dosimeters are processed in an analyzer, while Delayed read dosimeters do not require processing.

Immediate read dosimeters produce ultraviolet light, while Delayed read dosimeters produce infrared light.

What is the term used to describe the phenomenon where some materials emit light after absorbing radiation?

Phosphorescence (correct)

Photoluminescence

Radioluminescence

Thermoluminescence

How is the phenomenon of thermoluminescence accelerated?

By exposing it to a magnetic field

By heating the material (correct)

By using a chemical catalyst

By applying pressure

What type of dosimeter uses optically stimulated luminescence (OSL) for dosimetry purposes?

TLD (Thermo Luminescent Dosimeters) Signup and view all the answers

How does a Thermoluminescent Dosimeter (TLD) measure ionizing radiation exposure?

By measuring the amount of visible light emitted when heated Signup and view all the answers

What is the purpose of an analyzer in the operation of a TLD?

To process and analyze the TLD material Signup and view all the answers

What is the first stage of the TL process?

Transfer to an equilibrium state Signup and view all the answers

What component of a TLD reader system converts TL light emission into an electrical signal?

Photomultiplier tube (PMT) Signup and view all the answers

How does the TL intensity emission vary with the TLD temperature T?

It is a function of time t Signup and view all the answers

What is the main principle behind Film Badges as radiation dosimeters?

Darkening of film proportional to absorbed radiation Signup and view all the answers

Which part of a Film Badge is removed and developed to measure radiation exposure?

Photographic film Signup and view all the answers

Why are Film Badges used for short monitoring periods?

To save costs Signup and view all the answers