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Physics · PYQ NEET UG 2020
हिन्दीWhen a uranium isotope \( ^{235}_{\ 92}\text{U} \) is bombarded with a neutron, it generates \( ^{89}_{\ 36}\text{Kr} \), three neutrons and:
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Correct answer · Option D
\( ^{144}_{\ 56}\text{Ba} \)
Explanation
By conservation of mass number and atomic number: \( 235 + 1 = 89 + 3(1) + A \implies A = 144 \) and \( 92 + 0 = 36 + 3(0) + Z \implies Z = 56 \), which corresponds to \( ^{144}_{\ 56}\text{Ba} \).
