In the Standard Model

question 59

Multiple Choice

In the standard model,

• A)the fundamental particles are the leptons and quarks.
• B)the force carriers are the photon,the W^±,the Z particles,and the gluons.
• C)every force in nature is due to the strong,electromagnetic,weak,or gravitational force.
• D)a particle experiences one of the basic interactions if it carries a charge associated with that interaction.
• E)All of these are correct.

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Definitions:

Social Identity Theory

A theory positing that individuals classify themselves and others into various social categories, like gender, race, and occupation, which influences their behaviors and attitudes.

Altruism

A special form of helping behavior, sometimes costly, that shows concern for fellow human beings and is performed without expectation of personal gain.

Helping Behaviour

Acts that intentionally benefit someone else.

Expensive Donations

Large or costly contributions made to support a cause, organization, or individual.