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A radioactive substance has a half life of four months. Three-fourth of the substance would decay in |
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(a) |
3 months |
(b) |
4 months |
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(c) |
8 months |
(d) |
12 months |
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A radioactive substance has a half life of four months. Three-fourth of the substance would decay in |
|
|||
|
(a) |
3 months |
(b) |
4 months |
|
|
(c) |
8 months |
(d) |
12 months |
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