The Energy Per Unit Volume in an Electromagnetic Wave Is

question 30

Multiple Choice

The energy per unit volume in an electromagnetic wave is

• A) equally divided between the electric and magnetic fields.
• B) mostly in the electric field.
• C) mostly in the magnetic field.
• D) all in the electric field.
• E) all in the magnetic field.

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Definitions:

Reject

In statistics, to conclude that there is enough evidence to discard the null hypothesis in favor of the alternative hypothesis.

F-Ratio

A statistical measure used in the context of ANOVA, calculated as the variance between sample means divided by the variance within the samples.

Main Effect

The direct impact of an independent variable on a dependent variable in an experimental design, ignoring interaction effects.

Factor A

A term used in experimental design and analysis to denote one of potentially several independent variables being studied for its impact on a dependent variable.