If the radiation intensity is 5 Gy/h (500 R/h) at a distance of 152.4 cm (5 feet) from asource, what is the intensity at 1524 cm (50 feet)?

• A. 0.5 Gy/h (50 R/h)
• B. 1.0 Gy/h (100 R/h)
• C. 0.1 Gy/h (10R/h)
• D. 0.05 Gy/h (5 R/h)