A) Both A and R are true and R is the correct explanation of A.
B) Both A and R are true and R is NOT a correct explanation of A.
C) A is true but R is false.
D) A is false but R is true.
Correct Answer: B
Solution :
Fission of \[{{U}^{235}}\] occurs by slow neutrons only (of energy about\[1\text{ }eV\]) or even by thermal neutrons (of energy about\[0.025\text{ }eV\]). Fission of \[_{92}^{235}U\] brought about by a fast neutrons. \[_{92}^{235}U\] has odd mass number and even atomic number, hence it is an even-odd nucleus whereas \[_{92}^{235}U\] has even mass number and even atomic number, hence is an even-even nucleus.You need to login to perform this action.
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