For X-Ray and Gamma Ray Photons with Energies Up to 3

Multiple Choice

For x-ray and gamma ray photons with energies up to 3 million electron volts (MeV) ,which of the following quantities may be defined as the measure of the total electrical charge of one sign,either all pluses or all minuses,per unit mass that these two kinds of radiation generate in air only?

A) Absorbed dose
B) Equivalent dose
C) Exposure
D) Collective effective dose