Half-life of a radioactive substance is 120 days. After 480 days, 4 g will be reduced toA. 2B. 1C. 0.5D. 0.25

Half-life of a radioactive substance is 120 days. After 480 days, 4 g

1.	Half-life of a radioactive substance is 120 days. After 480 days, 4 g will be reduced toA. 2B. 1C. 0.5D. 0.25
Answer» Correct Answer - D `n = (480)/(120) = 4, N = (N_(0))/(2^(n)), N = (4)/(2^(4)) = (4)/(16) = 0.25 g`

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Half-life of a radioactive substance is 120 days. After 480 days, 4 g will be reduced toA. 2B. 1C. 0.5D. 0.25

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