Red Light Is Viewed Through a Thin Vertical Soap Film $\lambda$

question 37

Multiple Choice

Red light is viewed through a thin vertical soap film. At the third dark area shown, the thickness of the film, in terms of the wavelength within the film, is:

• A) \(\lambda\)
• B) 3\(\lambda\)/4
• C) \(\lambda\)/2
• D) \(\lambda\)/4
• E) 5\(\lambda\)/4

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Definitions:

Buyer Persona

A semi-fictional character created to represent the ideal customer based on market research and real data about existing customers.

Ideal Customer

A representation of the perfect customer for a product or service, based on their characteristics, behaviors, and preferences.

Segmentation

The process of dividing a market into distinct groups of buyers with different needs, characteristics, or behaviors.

Social Technographics Model

A classification approach that segments consumers based on how they use social technologies, from creators to spectators.