10 gms of 57 Cobalt kept in a container beta decays with a half life of 270 days. The wt. of the material inside the container after 540 days will be nearly?

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vikas askiitian expert · Answer

W/W i = (1/2) T/t (t = half life & T is time , W i = 10gms) after 540 days W/W i = (1/2) 540/270 = (1/2) 2 =1/4 W = W i /4 = 10/4 = 2.5grams approve my ans if u like

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10 gms of 57 Cobalt kept in a container beta decays with a half life of 270 days. The wt. of the material inside the container after 540 days will be nearly?

10 gms of 57 Cobalt kept in a container beta decays with a half life of 270 days. The wt. of the material inside the container after 540 days will be nearly?

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