Which Was a Triumph of Quantum Electrodynamics (QED)

question 25

Multiple Choice

Which was a triumph of quantum electrodynamics (QED) ?

• A) QED predicted the existence of three carrier particles before they were discovered in laboratory experiments.
• B) QED unites the strong and weak nuclear forces.
• C) QED is an example of a theory of everything.
• D) QED successfully explains the origin of quantum mechanical fluctuations in the CBR.

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Definitions:

Income Range

The spectrum of income levels, from the lowest to the highest, that exists within a given population or among a specific group of individuals.

Substitution Effect

The economic principle that as the price of a good increases, consumers will replace it with cheaper alternatives.

Income Effect

The variation in income for a person or an economy and its impact on the demand for a specific good or service.

Perfect Substitutes

Goods that can serve the same purpose perfectly, where consumers are indifferent between them and will select based on price.