If an individual receives 1.8 mGy while standing 4 ft from a source of radiation for 2 minutes, which of the following option(s) will most effectively reduce his or her radiation exposure to that source of radiation?
A Standing 3 ft from the source for 2 minutesB Standing 8 ft from the source for 2 minutesC Standing 5 ft from the source for 1 minuteD Standing 6 ft from the source for 2 minutes

Respuesta :

Answer:

The answer is letter B.

Explanation:

The option that will most effectively reduce her or his radiation exposure to that source is Standing 8 ft from the source for 2 minutes.