Question SLPaper 1AAnswerThe rest mass of the helium isotope 23He_{2}^{3}\mathrm{He}23He is mmm. Which expression gives the binding energy per nucleon for 23He_{2}^{3}\mathrm{He}23He?A(2mp+mn+m)c23\frac{(2m_p+m_n+m)c^2}{3}3(2mp+mn+m)c2B(2mp+mn−m)c23\frac{(2m_p+m_n-m)c^2}{3}3(2mp+mn−m)c2C(2mp+mn+m)c2(2m_p+m_n+m)c^2(2mp+mn+m)c2D(2mp+mn−m)c2(2m_p+m_n-m)c^2(2mp+mn−m)c2
