Physics

Problem

The mass of proton, neutron and helium nucleus are respectively

1.0073 \text{ u}

1.0087 \text{ u}

and

4.0015 \text{ u}

. The binding energy of helium nucleus is: (a)

14.2 \text{ MeV}

(b)

56.8 \text{ MeV}

(c)

28.4 \text{ MeV}

(d)

7.1 \text{ MeV}