Statement:  `500 mg` of an isotope becomes `250mg` in `120` minute. Therefore
Channel: Doubtnut
Date: 2020-08-02

Statement:  `500 mg` of an isotope becomes `250mg` in `120` minute. Therefore `100mg` of the isotpe  will becomes  `50mg` in 24 minute.  Explanation: The process fo radioactive decay follows  first order kinetics.