When an Electromagnetic Wave Meets a Reflecting Surface, the Direction

question 4

Multiple Choice

When an electromagnetic wave meets a reflecting surface, the direction taken by the reflected wave is determined by:

• A)the material of the reflecting surface
• B)the angle of incidence
• C)the index of the medium
• D)the intensity of the wave
• E)the wavelength

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Definitions:

Functioning Time

The period which a system or device is operational and performs its intended function without failure.

Kruskal-Wallis Test

A non-parametric test that is utilized to ascertain if statistically meaningful differences exist among two or more categories of an independent variable concerning a continuous or ordinal dependent variable.

Significance Level

The probability of rejecting the null hypothesis in a statistical test when it is actually true, typically denoted by alpha.

Two-Independent Sample T-Test

A statistical test used to compare the means of two independent groups to determine if there is a statistically significant difference between them.