Q. If the radiation intensity is 1 Gy/h (100 R/h) at a distance of 152.4 cm (5 feet) from asource, what is the intensity at 610 cm (20 feet)? (Solved)
1. 0.0625 Gy/h (6.25 R/h)
2. 0.25 Gy/h (25 R/h)
3. 16 Gy/h (1600 R/h)
4. 4 Gy/h (400 R/h)
- a. 0.0625 Gy/h (6.25 R/h)