Concept explainers
The reason behind the nonoccurrence of chain reactions in uranium mines.
Answer to Problem 1RCQ
Solution:
Chain reaction does not occur in uranium mines because the fissionable isotopeis present in very less quantity in the mines.
Explanation of Solution
In uranium mines, U-235 present in the ore is very less. Only 0.7% of the total uranium present.
However, in order to imitate the chain reaction neutron of very high energy is required, which is present in the isotope uranium
The fissionable isotope uranium has the ability to start the chain reaction even with the small energy neutron, but it is found in very less quantity. Thus, the nuclear reaction does not occur in uranium mines.
Conclusion:
Chain reaction does not occur in uranium mines because of less availability of fissionable isotope of uranium
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Chapter 34 Solutions
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