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The activity of a freshly prepared radioactive sample is 10 (10) disintegrations per second, whose mean life is 10 (9) s. The mass of an atom of this radioisotope is 10 (-25) kg. The mass (in mg) of the radioactive sample is

The activity of a freshly prepared radioactive sample is 10 (10) disintegrations per second, whose mean life is 10 (9) s. The mass of an atom of this radioisotope is 10 (-25) kg. The mass (in mg) of the radioactive sample is

Grade:11

2 Answers

Saurabh Koranglekar
askIITians Faculty 10335 Points
2 years ago
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Vikas TU
14149 Points
2 years ago
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Dear student 
Please refer the clear image , 
The image above does not looks good , it is blurr.
Hope for the best 
Good Luck 
Cheers 

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