Radiology Which is/are false about T1/2 of radioisotopes A Ra-226: 1626 years B I-131: 60 years C Co-60: 5.26 years D Ir-192 : 74 years 💡 Explanation Which is/are false about T1/2 of radioisotopes ✓ Correct Answer: B. I-131: 60 years