JEE Mains · Physics · STD 12 - 13. Nuclei
Which of the following nuclear fragments corresponding to nuclear fission between neutron \(\left({ }_0^1 \mathrm{n}\right)\) and uranium isotope \(\left({ }_{92}^{235} \mathrm{U}\right)\) is correct:
- A \({ }_{56}^{144} \mathrm{Ba}+{ }_{36}^{89} \mathrm{Kr}+4{ }_0^1 \mathrm{n}\)
- B \({ }_{56}^{140} \mathrm{Xe}+{ }_{38}^{94} \mathrm{Sr}+3{ }_0^1 \mathrm{n}\)
- C \({ }_{51}^{153} \mathrm{Sb}+{ }_{41}^{99} \mathrm{Nb}+3{ }_0^1 \mathrm{n}\)
- D \({ }_{56}^{144} \mathrm{Ba}+{ }_{36}^{89} \mathrm{Kr}+3{ }_0^1 \mathrm{n}\)
Answer & Solution
Correct Answer
(D) \({ }_{56}^{144} \mathrm{Ba}+{ }_{36}^{89} \mathrm{Kr}+3{ }_0^1 \mathrm{n}\)
Step-by-step Solution
Detailed explanation
Balancing mass number and atomic number \({ }_{92}^{235} \mathrm{U}+{ }_0^1 \mathrm{n} \rightarrow{ }_{56}^{144} \mathrm{Ba}+{ }_{36}^{89} \mathrm{Kr}+3{ }_0^1 \mathrm{n}\)
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LIST-I LIST-II (A) \(_0^1n + _{92}^{235}U \rightarrow _{54}^{140}Xe + _{38}^{94}Sr + 2_0^1n\) (I) Chemical reaction (B) \(2H_2 + O_2 \rightarrow 2H_2O\) (II) Fusion with +ve Q value (C) \(_1^2H + _1^2H \rightarrow _2^3He + _0^1n\) (III) Fission (D) \(_1^1H + _1^3H \rightarrow _1^2H + _1^2H\) (IV) Fusion with -ve Q value
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