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 4.8 cm,and the index of refraction of the polymer is n = 1.6,how thick would the coating be if a 180 $\degree$ phase change occurs at both surfaces?
A)32 mm
B)24 mm
C)7.5 mm
D)6.0 mm

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The Answer of 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 4.8 cm,and the index of refraction of the polymer is n = 1.6,how thick would the coating be if a 180 $\degree$ phase change occurs at both surfaces?
A)32 mm
B)24 mm
C)7.5 mm
D)6.0 mm

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