The decay constant of a radio isotope is If A, and A, are its activities at times t, and t, respectively, the number of nuclei which have decayed during the time (t t) (a) (A A) (b) At At (c) A A2 A A (d) The decay constant of a radio isotope is If A, and A, are its activities at times t, and t, r...

The decay constant of a radio isotope is . If A, and A, are its activities...

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