A Beam of Monochromatic Light Goes from Material 1 with Index

question 28

Multiple Choice

A beam of monochromatic light goes from material 1 with index of refraction n₁ into material 2 with index of refraction n₂.The frequency of light in material 1 is f₁ and in material 2 is f₂.What is the ratio of f₁/f₂?

• A)n₁/n₂
• B)n₂/n₁
• C)1
• D)The values of n₁ and n₂ must be known to find the answer.

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Definitions:

Minnesota Multiphasic Personality Inventory (MMPI)

A comprehensive psychological assessment tool that evaluates a wide range of personality traits and psychopathologies based on true/false questions.

Contrasted-Groups Method

A statistical method used in psychometrics to validate the effectiveness of a test by comparing the scores of groups with known differing characteristics.

Validity

The degree to which a test, tool, or study accurately measures or assesses what it is intended to.

Reliability

The degree to which an assessment tool produces stable and consistent results over time.