The Mass of an Electron and Its Antiparticle,a Positron,is 0

question 89

Short Answer

The mass of an electron and its antiparticle,a positron,is 0.511 MeV/c².In order to produce an electron-positron pair,a gamma ray must have an energy larger than 1.022 MeV because __________.

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Definitions:

Price Level

A measure of the average prices of goods and services in an economy, often used to evaluate inflation or deflation over time.

Real Wage

The amount of goods and services a worker can purchase with his or her nominal wage; the purchasing power of the nominal wage.

Marginal Revenue Product

The additional revenue generated from employing one more unit of a resource, such as labor or capital.

Total Revenue

is the overall amount of money generated by a business from its activities, including sales of goods or services, before any expenses are deducted.