Physics

Problem

Calculate the mass defect of a

^4_2\mathrm{He}

nucleus if its measured nuclear mass is

4.001506\,\text{u}

. Use

m_p = 1.007276\,\text{u}

and

m_n = 1.008665\,\text{u}

. Give your answer in atomic mass units (u) correct to four significant figures. a)

0.0315\,\text{u}

0.0293\,\text{u}

0.0304\,\text{u}

0.0340\,\text{u}