A polymer film of thickness and refractive index is deposited on glass ( )
PHYSICS · Subjective · AP · Physics 2: Algebra-based · Waves Sound and Physical Optics · Waves Sound and Physical Optics
Problem
A polymer film of thickness 250nm and refractive index n=1.30 is deposited on glass (n=1.50). For light of wavelength 550nm in air, determine the angle of incidence in air (measured from the normal) at which first-order constructive interference occurs in the reflected light.