The half-life period of radioactive element A is same as the mean lifetime of another radioactive element B. Initially both have the same number of atoms. Then.
A. A and B have the same decay rate initially
B. A and B decay at the same rate always
C. B will decay at faster rate than A
D. A will decay at faster rate than B.
Answer:C
The half-life period of radioactive element A is same as the mean lifetime of another radioactive element B. Initially both have the same number of atoms. Then.
A. A and B have the same decay rate initially B. A and B decay at the same rate always C. B will decay at faster rate than A D. A will decay at faster rate than B.