Light That Has Been Traveling in a Medium with an Index

question 56

Multiple Choice

Light that has been traveling in a medium with an index of refraction n₂ is incident on the boundary surface of another medium with an index of refraction n₁.Given a sufficient angle of incidence,which of the following conditions must be satisfied for total internal reflection to occur?

• A)n₁ < n₂
• B)n₁ > n₂
• C)n₁ = n₂
• D)Any of these may be correct.
• E)None of these is correct.

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Definitions:

Sample Size

The number of observations or replicates included in a statistical sample.

Dependent Means

Relates to statistical tests used to compare the means of related groups.

Sample

A selected portion of a population used in statistical analysis, chosen to represent the whole population in studies or experiments.

Dependent-Samples T Test

A statistical procedure used to compare the means of two related groups to find out if there is a significant difference between them.