The rate of radioactive decay of a sample are 3 × 108 dps and 3 ×107 dps after time 20 min and 43.03 min respectively. The fraction of radio atom decaying per second is equal to
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The rate of radioactive decay of a sample are 3 × 108 dps and 3 ×107 dps after time 20 min and 43.03 min respectively. The fraction of radio atom decaying per second is equal to