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Chapter 39: Problem 9

Name the fundamental force involved in (a) binding of a proton and a neutron to make a deuterium nucleus; (b) decay of a neutron to a proton, an electron, and a neutrino; (c) binding of an electron and a proton to make a hydrogen atom.

Short Answer

Expert verified
The forces involved are (a) the strong nuclear force, (b) the weak nuclear force, and (c) the electromagnetic force.

Step by step solution

01

Identify the force in the binding of a proton and a neutron

The binding of a proton and a neutron to make a deuterium nucleus involves the strong nuclear force. This force is responsible for holding the atomic nucleus together. It is the strongest of the four fundamental forces and acts between nucleons (protons and neutrons).
02

Identify the force in the decay of a neutron

The decay of a neutron to a proton, an electron, and a neutrino involves the weak nuclear force. This force is responsible for radioactive decay and nuclear fission. The process described is a typical example of beta decay, which is mediated by the weak interaction.
03

Identify the force in the binding of an electron and a proton

The binding of an electron and a proton to make a hydrogen atom involves the electromagnetic force. This force is responsible for holding electrons in their orbits around the nucleus of an atom. The electromagnetic interaction between negatively charged electrons and positively charged protons leads to the formation of atoms, including hydrogen atoms.

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