Question
Physics Question on Nuclei
A radioactive nuclei has a half life of 693s. The activity of one mole of that nuclei sample is:(Avogadro's number=6.023 x1023 and In(2)=0.693)
A
2×1010 Bq
B
3.7×1010 Bq
C
6.023×1020 Bq
D
0.5×10-10 Bq
E
1×1020 Bq
Answer
6.023×1020 Bq
Explanation
Solution
The correct answer is (C):6.023×1020 Bq