The Two Main Theories of 20th Century Physics Are

question 60

Multiple Choice

The two main theories of 20th century physics are

• A) quantum theory and electromagnetism.
• B) electromagnetism and thermodynamics.
• C) relativity and quantum theory.
• D) relativity and Newtonian mechanics.
• E) relativity and electromagnetism.

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Definitions:

Pathogen

A microorganism, such as a virus, bacterium, or parasite, that can cause disease in its host.

Cognitive

Pertains to the mental processes involved in gaining knowledge and comprehension, including thinking, knowing, remembering, judging, and problem-solving.

Mechanical

Pertaining to machines or the principles of machinery and engineering.

Model

A representation, either physical, mathematical, or conceptual, used to describe or simulate a process, concept, or entity.