One-sixteenth of initial amount of a radioactive substance remains undecayed after two hours. The half-life of the substance is

One-sixteenth of initial amount of a radioactive substance remains und

1.	One-sixteenth of initial amount of a radioactive substance remains undecayed after two hours. The half-life of the substance is
A.	15 min
B.	45 min
C.	30 min
D.	60 min
Answer» D. 60 min

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One-sixteenth of initial amount of a radioactive substance remains undecayed after two hours. The half-life of the substance is

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