Radiation Detectors Quiz

What type of radiation detector is commonly used for measuring radioactivity in the environment?

• Thermoluminescent dosimeter

• Geiger-Muller counter

• X-ray detector

• Ionization chamber

Which radiation detector operates by converting the energy of ionizing radiation into flashes of light?

• Radiation reflector

• Scintillation detector

• Photon absorber

• Gamma emitter

Which type of radiation detector is based on the ionization of gas molecules by radiation?

• Scintillation Detector

• Geiger Counter

• Photomultiplier Tube

• Ionization Chamber

What is the main advantage of a proportional counter compared to a Geiger-Muller counter?

• Ability to differentiate between types of radiation and measure energy

• Higher sensitivity to background radiation

• Limited battery life

• Inability to measure radiation levels accurately

Which component of a photomultiplier tube is responsible for amplifying the signal?

• cathode array

• anode plate

• dynode chain

• glass envelope

What type of radiation detector is known for its high energy resolution and sensitivity?

• Silicon detector

• Alpha detector

• Scintillation detector

• Germanium detector

In which radiation detector does the incident radiation create electron-hole pairs in a semiconductor material?

• Conductor detector

• Metal detector

• Semiconductor detector

• Insulator detector

What is the purpose of the scintillator material in a scintillation detector?

• To amplify the radiation signal

• To shield the detector from external interference

• To convert incoming ionizing radiation into visible light pulses.

• To measure the temperature of the radiation source

Which radiation detector is commonly used in medical imaging applications such as PET scans?

• Scintillation detector

• Geiger-Muller counter

• Ionization chamber

• Thermoluminescent dosimeter

What is the function of the signal processing electronics in a radiation detector system?

• Generate radiation pulses for detection

• Convert radiation into electrical signals

• Amplify, filter, and digitize the signals from the radiation detector.

• Detect, analyze, and store the radiation signals