NEET Physics Nuclei Questions Solved

PMT - 2010
In a radioactive substance at t =0, the number of atoms is 8×104, its half-life period is 3 yr. the number of atoms 1 x 10 will remain after interval (a) 9 yr (c) 6 yr [UP CPMT 2010] (b) 8 yr (d) 24 yr

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