A rad is A)the amount of sample that undergoes 1 disintegration per second. B)the amount of sample that undergoes 3.7 × 10¹⁰ disintegrations per second. C)the amount of tissue damage done by radiation. D)equal to 0.01 J of energy absorbed per kilogram of tissue.

Question

Quizplus · Accepted Answer

A rad is a unit used to measure the amount of energy absorbed by tissue due to radiation. It is defined as the absorption of 0.01 joules of energy per kilogram of tissue. Therefore, choice D is the correct answer as it defines a rad. Choice A describes a Becquerel, choice B describes an activity in Becquerel or Curie, and choice C is a vague and incorrect statement.

A Rad Is