2. A glass lens with an index of refraction of 1.72 is coated with a incident light thin film coating with index of refraction 1.43 in order to minimize reflection. If λ denotes the wavelength of the incident light in air, what is the thinnest possible such coating? 252 (A A) 0.8312 B) 0.3502 C) 0.1752 D) 0.1922 E) 0.5242 To Pojdo idginqu air coating glass lens

2. A glass lens with an index of refraction of 1.72 is coated with a incident light thin film coating with index of refraction 1.43 in order to minimize reflection. If λ denotes the wavelength of the incident light in air, what is the thinnest possible such coating? 252 (A A) 0.8312 B) 0.3502 C) 0.1752 D) 0.1922 E) 0.5242 To Pojdo idginqu air coating glass lens