One Rad Is

Multiple Choice

One rad is

A) the amount of radiation that deposits 10−² J of energy into 1 kg of absorbing material.
B) the amount of ionizing radiation that will produce 1/3 × 10−⁹ C of electric charge in 1 cm³ of air under standard conditions.
C) the amount of radiation needed for ionization of an atom.
D) the amount of radiation needed for dissociation of a molecule.
E) the amount of radiation that deposits one erg of energy in 1g of material.