An Airplane Is Made Invisible to Radar by Coating It

question 35

Multiple Choice

An airplane is made invisible to radar by coating it with a 7.0 mm thick layer of an antireflective polymer.If the maximum wavelength of radar waves for which the plane is made invisible is 4.0 cm,what is the index of refraction of the polymer?

• A)1.43
• B)1.62
• C)1.38
• D)1.50
• E)1.55

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Definitions:

Validity

The degree to which a concept, conclusion, or measurement is well-founded and likely corresponds accurately to the real world.

Reliability

Reliability in social science research refers to the consistency and dependability of measurement tools and methods, ensuring that studies can be replicated and results are stable over time.

Interconnected

Having parts or elements linked or related closely to each other.

Bell Hooks

An influential cultural critic, feminist theorist, and author known for her work on race, class, and gender.