A phone screen made of high-index glass ( ) is to be covered with a single-layer…
PHYSICS · Single correct · AP · Physics 2: Algebra-based · Waves Sound and Physical Optics · Waves Sound and Physical Optics
Problem
A phone screen made of high-index glass (n=1.80) is to be covered with a single-layer antireflection coating for normal incidence in air. Which coating index would most effectively reduce reflection at a chosen wavelength?
(a) n=1.80
(b) n=1.00
(c) n=1.34
(d) n=1.40