When you double the distance from the radiation source, how do the counts per minute change?

Question

Chemistry

Francis Stout

9 April, 22:59

When you double the distance from the radiation source, how do the counts per minute change?

+1

Answers (1)

Know the Answer?

Cristian Young · Answer 1

When you double the distance from a radioactive source, the energy at that distance decreases by a factor of four. So the counts per minute should also decrease by a factor of four.