Assertion `(A):` Half life of a radioactive isotope is the time required to decrease its mass number
Channel: Doubtnut
Date: 2020-07-26

Assertion `(A):` Half life of a radioactive isotope is the time required to decrease its mass number by half.  Reason `(R) : ` Halt`-` of readioactive isotopes is independent of the initial amount of the isotope.