How does a scintillation detector convert radiation to a measurable signal?

How does a scintillation detector convert radiation to a measurable signal?

• A. Radiation directly ionizes a gas to produce current.
• B. A detector uses magnetic fields to bend charged particles to a coil.
• C. Radiation excites a scintillator producing light, which is converted to electrical pulses by a photomultiplier or photodiode.
• D. A semiconductor junction emits electrons upon heating.

Answer: (C)