NEET Physics Nuclei Questions Solved


A radioactive sample with a half-life of 1 moni 2 microcurie on 1-8-1991'. What would be its activity two months earlier?[19881 (a) 1.0 microcurie (c) 4 microcurie as e label: Activity - (b) 0.5 microcurie (d) 8 microcurie

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