PHYSICS · Single correct · AP · Physics 2: Algebra-based · Modern Physics · Modern Physics
Problem
In the core of the Sun, two isotopes of hydrogen combine to form helium and a stray neutron. Which classification and energy description is most accurate for this process?
(a) Induced fission that is exothermic because mass is converted into energy.
(b) Spontaneous fusion that is exothermic because mass is converted into energy.
(c) Spontaneous fusion that is endothermic because the strong nuclear force must absorb energy to overcome electrostatic repulsion.
(d) Spontaneous radioactive decay that is exothermic because a neutron is emitted.