31.2 Radiation Detection and Detectors

Geiger tubes, scintillators, film, and solid-state devices turning the ionization from a passing particle into a countable electrical or optical signal.

College Physics 2e, 31.2 Radiation Detection and Detectors

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1 exercise

31.2 Exercise 2

The energy of 30.0 $\text{eV}$ is required to ionize a molecule of the gas inside a Geiger tube, thereby producing an ion pair. Suppose a particle of ionizing radiation deposits 0.500 MeV of energy in this Geiger tube. What maximum number of ion pairs can it create?

2.5