試題詳解

62. Detection of radiation by a Geiger-Müller counter depends on ______.
(A) the emission of a photon from an excited atom
(B) the ability of an ionized gas to carry an electrical current
(C) the emission of a photon of light by the radioactive particle
(D) the ability of a photomultiplier tube to amplify the electrical signal from a phosphor
(E) the detection of the sound made by decay particles