TS EAMCET · Physics · Nuclear Physics
An active nucleus decays to one-third in The fraction of original activity remaining after is
- A
- B
- C
- D
Answer & Solution
Correct Answer
(B)
Step-by-step Solution
Detailed explanation
We know, NN0=23t/T From the given data, N03N0=1220T 13=1220T ...1 NN0=1280T ...2 From 1 and 2, ∴ NN0=133=181
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