This article throws light upon the seven methods used for detection and measurement of radioactivity. The methods are: 1. Photographic Emulsions 2. Ionization Chamber 3. Proportional Chamber 4. Scintillation Counters 5. Semiconductor Detectors 6. Scaler 7. Pulse Height Discriminators. Method # 1. Photographic Emulsions: According to this method an ionizing particle or ray can cause […]