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Question

Question: 1 Curie is equal to....

1 Curie is equal to.

A

3×10103 \times 10^{10} disintegrations/sec

B

3.7×1073.7 \times 10^{7} disintegrations/sec

C

5×1075 \times 10^{7} disintegrations/sec

D

3.7×10103.7 \times 10^{10} disintegrations/sec

Answer

3.7×10103.7 \times 10^{10} disintegrations/sec

Explanation

Solution

Complete reaction will be as follows

92X235→82Y207+72He4+4−1e092X^{235} \rightarrow_{82}Y^{207} + 7_{2}He^{4} + 4_{- 1}e^{0}

i.e., seven α−\alpha -particles and four β−\beta -particles will be

emitted.