12th Class
Chemistry
Nuclear Chemistry / नाभिकीय रसायन
Question Bank
Critical Thinking Nuclear chemistry
question_answer
A radioactive substance has a constant activity of 2000 disintegration/minute. The material is separated into two fractions, one of which has an initial activity of 1000 disintegrations per second while the other fraction decays with \[{{t}_{1/2}}\]= 24 hours. The total activity in both samples after 48 hours of separation is [JIPMER 2000]