Atoms and Nuclei Part 1

Section: Physics

Question : 91 of 100

Marks: +1, -0

A radioactive sample at any instant has its disintegration rate 5000 disintegrations per minute. After 5 minutes, the rate is 1250 disintegrations per minute. Then, the decay constant (per minute) is

[AIEEE 2003]

0.4 ln2
0.2 ln2
0.1 ln2
0.8 ln2

Validate

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