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
Correct Answer:
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