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Data for a nucleus and some particles: ¹³⁹₅₇La has mass 138.955 u; ¹₀n 1.00863 u; ¹₁p 1.00728 u; ⁰₋₁e 5.49 × 10⁻⁴ u. The energy equivalent to 1.00 u is 934 MeV.
Calculate the binding energy per nucleon, in MeV, of lanthanum-139 (¹³⁹₅₇La).
9702/04/SP/22Cambridge International AS & A Level Physics 9702 · Specimen 2022 · Paper 4 · Question 9(b)(ii)
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Suggested time: 5 min