NEET UG PHYSICS MCQ: NUCLEI

1 Hard

1 of 1

Application +4 | -1

For

{l^{131}}

, half life is 8 days, the activity of an

8\,\mu g

sample of l is

View answer and explanation

Correct option: B

3.18 \times {10^{15}}\,day{s^{ - 1}}

Option B (

3.18 \times {10^{15}}\,day{s^{ - 1}}

) is correct because it is calculated using the decay constant and the number of atoms in the sample.

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({R})

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\left({ }_{92}^{235} \mathrm{U}\right)

1\,\,a.m.u = 931\,\,MeV