Chapter 29, Problem 72RPP

To determine

The total person-rem exposure from the provided choices, if radioactive materials like cesium-131 and iodine-131 were released into atmosphere, due to nuclear accident resulting in exposure of radioactive material in an area of 80 km. Nearly 2 million people were residing there, and on an average they were exposed to 1 rem radiation.

a. $2\times {10}^4\text{ person}\cdot \text{rem}$

b. $2\times {10}^6\text{ person}\cdot \text{rem}$

c. $2\times {10}^8\text{ person}\cdot \text{rem}$

d. $2\times {10}^{10}\text{ person}\cdot \text{rem}$