The half-life period of a radioactive element is 140 days. After 560 days, one gram of the element will reduce to |
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a) |
g |
b) |
g |
c) |
g |
d) |
g |
The half-life period of a radioactive element is 140 days. After 560 days, one gram of the element will reduce to |
|||||||
a) |
g |
b) |
g |
c) |
g |
d) |
g |