NEET Physics Nuclei Questions Solved


The radioactivity of a sample is A, at a time t, and A2 at time t2. If the mean life of speci- men is T, the number of atoms that have disintegrated in the time interval of tz-t, is A.-A (A) A,-A2 (C) (A-A2)T (B) A (D) A14-A12

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