A Possible Means for Making an Airplane Radar-Invisible Is to Coat

question 38

Multiple Choice

A possible means for making an airplane radar-invisible is to coat the plane with an antireflective polymer.If radar waves have a wavelength of 3.84 cm,and the index of refraction of the polymer is n = 1.6,how thick would the coating be if a 180° phase change occurs at both surfaces?

• A) 24 mm
• B) 7.5 mm
• C) 32 mm
• D) 6.0 mm

---

Definitions:

Refining Your Search

Enhancing or focusing a search strategy to yield more relevant results.

You-attitude

A communication approach that focuses on the audience's needs and perspectives, emphasizing the 'you' over 'I' or 'we'.

Offering Sympathy

The act of expressing understanding, compassion, or sorrow for someone else's suffering or misfortune.

Impersonal Constructions

Sentences or phrases that do not specify the person acting, focusing instead on the action or it being acted upon.