For light rays travelling from a material with a large index of refraction to a fabric with a lower index of refraction, Snell's law predicts that there is no θ2 when θone is significant. In cases like this, no transmission occurs; every one of the light is reflected. The Huygens–Fresnel https://best-bluetooth-speaker58911.blogkoo.com/considerations-to-know-about-communications-system-49519546