Radioactivity is the process by which an unstable atomic nucleus loses energy by radiation. It is measured in becquerels (Bq).
1 Bq = 0 C/kg 
1 C/kg = 3,876 Bq 
उदाहरण: 
कन्वर्ट 15 Becquerel से Exposure (C/kg):
15 Bq = 0.004 C/kg 
| Becquerel | Exposure (C/kg) | 
|---|---|
| 0.01 Bq | 2.5800e-6 C/kg | 
| 0.1 Bq | 2.5800e-5 C/kg | 
| 1 Bq | 0 C/kg | 
| 2 Bq | 0.001 C/kg | 
| 3 Bq | 0.001 C/kg | 
| 5 Bq | 0.001 C/kg | 
| 10 Bq | 0.003 C/kg | 
| 20 Bq | 0.005 C/kg | 
| 30 Bq | 0.008 C/kg | 
| 40 Bq | 0.01 C/kg | 
| 50 Bq | 0.013 C/kg | 
| 60 Bq | 0.015 C/kg | 
| 70 Bq | 0.018 C/kg | 
| 80 Bq | 0.021 C/kg | 
| 90 Bq | 0.023 C/kg | 
| 100 Bq | 0.026 C/kg | 
| 250 Bq | 0.064 C/kg | 
| 500 Bq | 0.129 C/kg | 
| 750 Bq | 0.193 C/kg | 
| 1000 Bq | 0.258 C/kg | 
| 10000 Bq | 2.58 C/kg | 
| 100000 Bq | 25.8 C/kg |