Yellow Light Is Viewed by Reflection from a Thin Vertical $\lambda$

question 14

Multiple Choice

Yellow light is viewed by reflection from a thin vertical soap film. Let $\lambda$ be the wavelength of the light within the film. Why is there a large dark space at the top of the film?

• A) no light is transmitted through this part of the film
• B) the film thickness there is\(\lambda\)/4
• C) the light reflected from exactly one of the two surfaces undergoes a 180 \(\degree\) phase change
• D) the film is too thick in this region for thin film formulas to apply
• E) the reflected light is in the infrared

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Definitions:

Simple Tasks

Activities or work that can be easily accomplished without requiring extensive skills or resources.

Social Facilitation Theory

Proposes that the presence of others enhances an individual's performance on simple tasks but can impair performance on complex tasks.

Dominant Response

The most common reaction or behavior exhibited by an individual in a given situation, especially under stress or pressure.

Performance Situation

An event or scenario in which individuals are required to execute tasks or demonstrate their abilities under observation.