A Thin Sheet of Plastic (N = 1

question 42

Multiple Choice

A thin sheet of plastic (n = 1.60) is inserted between two panes of glass to reduce infrared (λ = 700 nm) losses. What thickness (in nm) is necessary to produce constructive interference in the reflected infrared radiation?

• A) 218
• B) 109
• C) 55
• D) 318
• E) 443

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Definitions:

Interrater Agreement

The level of consistency among different observers or raters in the assessment or evaluation of the same phenomenon.

Assessments

The evaluation or measurement of a particular process, concept, or characteristic, often used to determine progress, skill level, or understanding.

Unobtrusive Measures

Research methods that involve observing behavior without interfering or making the participants aware of the observation.

Reactivity

The phenomenon where subjects alter their behavior due to knowing they are being observed or part of a study.