Virtual Photons Are Particles That Mediate the Coulomb Force and Travel

question 38

Multiple Choice

Virtual photons are particles that mediate the Coulomb force and travel at the speed of light.What is the approximate energy of the virtual photons that mediate between the electron in the ground state and proton in a hydrogen atom? The radius of the electron in the ground state is 0.053 nm.

• A)100 eV
• B)500 eV
• C)1000 eV
• D)4 keV
• E)0.5 MeV

---

Definitions:

Unemployment Rate

The ratio of jobless individuals in the labor force who are not just unemployed but are actively pursuing employment opportunities.

Inflation

Inflation is the rate at which the general level of prices for goods and services is rising, eroding purchasing power over time.

Unemployment

The situation when individuals who are capable of working and are actively seeking work but are unable to find employment.

Short Run

A period during which at least one factor of production is considered fixed, typically used to describe a timeframe in which firms cannot alter plant capacity.