MHT CET 2024 Physics question
In the uranium radioactive series, the initial nucleus is and that the final nucleus is . When uranium nucleus decays into lead, the number of - particles and -particles emitted are
Answer: (D)
Solution
Each emission reduces the mass number by 4 and the atomic number by 2; each emission leaves the mass number unchanged and increases the atomic number by 1. Mass number: gives . Atomic number: $92 - 2(8) + n_β
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