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58. At some instant two radioactive substance arehaving amount in ratio of 2:1. Their half lives are12 hrs and 16 hrs then after two days the ratio oftheir quantities is |
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Answer» 2:1 m reason koni debate.......... ........... We will take hours as units for time t and decays per hour (3600 Bq) as unit for decay constant for the solution below. (instead of per second). Here, when we say an amount of substance, it means the number of Nuclei or atoms. The amounts of the two substance will become equal. That is both substances will have same number of (atoms or) Nuclei. |
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