Moderate
There are three lumps of a given radioactive substance. Their activity is in the ratio of 1:2:3 now. What will be the ratio of their activities at any further date?
Correct answer: A. 1:2:3
- A. 1:2:3
- B. 3:2:1
- C. 2:1:3
- D. 2:3:1
Explanation
The ratio of activity of radioactive substance remains the same after a particular time interval.So,A1:A2:A3 = 1:2:3
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