The radioactive decay rate of a radioactive element is found to be 10 3 disintegration / second at a certain time. If the half life of the element is one second, the decay rate after one second is . . . . . . . . and after three second is . . . . . . . . .

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Deepak Patra · Answer

A = A 0 (1/2) n where A 0 = Initial activity = 1000 dps (given ) A = Activity after n half lives At t = 1, n = 1 &there4; A = 1000 (1/2) 1 = 500 dps At t = 3, n = 3 &there4; A = 1000 ( &frac12; ) 3 = 125 dps

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The radioactive decay rate of a radioactive element is found to be 10 3 disintegration / second at a certain time. If the half life of the element is one second, the decay rate after one second is . . . . . . . . and after three second is . . . . . . . . .

The radioactive decay rate of a radioactive element is found to be 10³ disintegration / second at a certain time. If the half life of the element is one second, the decay rate after one second is . . . . . . . . and after three second is . . . . . . . . .

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The radioactive decay rate of a radioactive element is found to be 10 3 disintegration / second at a certain time. If the half life of the element is one second, the decay rate after one second is . . . . . . . . and after three second is . . . . . . . . .

The radioactive decay rate of a radioactive element is found to be 103 disintegration / second at a certain time. If the half life of the element is one second, the decay rate after one second is . . . . . . . . and after three second is . . . . . . . . .

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The radioactive decay rate of a radioactive element is found to be 10³ disintegration / second at a certain time. If the half life of the element is one second, the decay rate after one second is . . . . . . . . and after three second is . . . . . . . . .