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प्रश्न
The half-life period of radioactive element A is the same as the mean life time of another radioactive element B. Initially both have the same number of atoms. Then
विकल्प
A and B have the same decay rate initially
A and B decay at the same rate always
B will decay at faster rate than A
A will decay at faster rate than B.
उत्तर
B will decay at faster rate than A
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