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1. |
A radioactive element has half-life of one day. After three days, the amount of the element left will be [MNR 1985; UPSEAT 2000, 01; MH CET 2002] |
A. | 1/2 of the original amount |
B. | 1/4 of the original amount |
C. | 1/8 of the original amount |
D. | 1/16 of the original amount |
Answer» D. 1/16 of the original amount | |