What is a Photomultiplier Tube?

What is the function of a photo multiplier tube (PMT)?

• Convert electrical signal into light

• Convert radiation into electrical signal

• Convert electrical signal into radiation

• Convert light into radiation

What is the job of the photocathode in a PMT?

• To convert electrical signal into light

• To convert radiation into light

• To convert light into electrical signal

• To amplify electrical signal

What is the phenomenon called when a metal plate in a PMT is bombarded by electrons and emits more electrons?

• Scintillation

• Photoelectric effect

• Magnetic permeability

• Secondary emission

What is the purpose of the dynodes in a PMT?

• To convert light into radiation

• To amplify electrons into more electrons

• To convert radiation into electrical signal

• To amplify radiation into more radiation

What is the typical applied voltage per dynode in a PMT?

• 50 to 100 volts

• 10 to 50 volts

• 150 to 200 volts

• 100 to 150 volts

What material are the dynodes in a PMT coated with?

• Magnesium oxide

• Aluminum nitride

• Silicon carbide

• Copper sulfate

What is the purpose of the anode in a PMT?

• To emit scintillation light

• To convert light into radiation

• To collect amplified electrons

• To amplify electrical signal

What is the total amplification if there is a magnification of four at every PMT dynode and there are five dynodes?

• 256

• 2048

• 625

• 1024

What is the purpose of a high voltage supply in a PMT?

• To amplify radiation

• To emit scintillation light

• To amplify electrical signal

• To convert light into radiation

What is the purpose of the entrance window in a PMT?

• To collect amplified electrons

• To allow photons to enter

• To convert light into radiation

• To amplify electrical signal