링크모음 주소모음 주소와이 The ray nature of sunshine is utilized to clarify how light refracts at planar and curved surfaces; Snell's legislation and refraction concepts are employed to elucidate various serious-planet phenomena; refraction concepts are combined with ray diagrams to elucidate why lenses develop photos of objects.,??now referred to as https://virgilx008mbq6.wikipublicity.com/user