The Fact That Light Travels Only at 300,000 Km/s in Free

question 29

Multiple Choice

The fact that light travels only at 300,000 km/s in free space is a consequence of

• A)electromagnetic wave propagation.
• B)electromagnetic field induction.
• C)Maxwell's laws.
• D)energy conservation.
• E)none of the above

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Definitions:

Correlations

Statistical measures that describe the extent to which two or more variables move together, without necessarily implying causation.

Internal Validity

The degree to which an experimental design is capable of eliminating confounding variables, ensuring that the results can be confidently attributed to the cause-and-effect relationship being tested.

Repeated Testing

In experimental design, a threat to internal validity due to participants becoming more and more familiar with a test.

Dropouts

Individuals who disengage or withdraw from a program, study, or activity before completion.