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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?

pavan kumar PV , 14 Years ago

Grade 11

1 Answers

vikas askiitian expert

Last Activity: 14 Years ago

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

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Modern Physics> half life...

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?

pavan kumar PV , 14 Years ago

vikas askiitian expert

LIVE ONLINE CLASSES

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