MCQ
A radioactive sample at any instant has its disintegration rate 5000 disintegration per minute. After 5 minutes, the rate is 1250 disintegrations per minute. Then, the decay constant (per minute) is
- A0.8 In 2
- ✓0.4 In 2
- C0.2 In 2
- D0.1 In 2
✓
Answer
Correct option: B.
0.4 In 2
0.4 In 2
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