When Light Passes from a Material with a High Index $\degree$

question 18

Multiple Choice

When light passes from a material with a high index of refraction into material with a low index of refraction:

• A)none of the light is reflected.
• B)some light is reflected without a change of phase.
• C)some light is reflected with a 180 \(\degree\) change of phase.
• D)the light that is not reflected has a 180 \(\degree\)change of phase.

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Definitions:

Null Hypothesis

A default statement that indicates no effect, difference, or relationship between two or more variables in an experiment.

Alternative Hypothesis

The hypothesis that is tested against the null hypothesis, usually representing the notion of a difference or effect.

Type I Error

Erroneously dismissing a true null hypothesis, often called a "false positive."

Sample Mean

The average obtained from a sample, calculated by summing all sample data points and dividing by the number of points.