A radioactive substance disintegrates 1/64 of initial value in 60 s. The half-life of this substance is

A radioactive substance disintegrates 1/64 of initial value in 60 s. The half-life of this substance is
A. 5 s
B. 10 s
C. 30 s
D. 20 s

Monjur Alahi

13 views

2025-01-04 04:42

1 Answers

Salim Ahmed Kawsar

Correct Answer - B
We have , `1/64=((1)/(2))^(n)n=6`
6 half-lives are equal to 60 s.
`therefore` 1 half-life = 10 s

13 views Answered 2023-02-05 15:29

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