링크모음 주소모음 주소와이 The ray character of light is made use of to clarify how light refracts at planar and curved surfaces; Snell's law and refraction ideas are applied to explain various true-entire world phenomena; refraction rules are combined with ray diagrams to elucidate why lenses make photos of objects.,??now https://harrisonf443xoe2.wikiap.com/user