The binding energy per nucleon of ₅ ~B ¹⁰ is 8.0 MeV and that of ₅ ~B ¹¹ is 7.5 MeV . The Energy required to remove a neutron from ₅ ~B ¹¹ is (mass of electron and proton are 9.11 10⁻³¹ ~kg and 1.67 10⁻²⁷ ~kg ) :

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Correct answer: A. 2.5 MeV

array l 10 8=80 11 7.5=82.5 aligned Energy required &=82.5-80 &=2.5 aligned array

The binding energy per nucleon of ₅ ~B ¹⁰ is 8.0 MeV and that of ₅ ~B ¹¹ is 7.5 MeV . The Energy required to remove a neutron from ₅ ~B ¹¹ is (mass of electron and proton are 9.11 10⁻³¹ ~kg and 1.67 10⁻²⁷ ~kg ) :

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