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링크모음 주소모음 주소와이 The ray nature of sunshine is utilised to clarify how light-weight refracts at planar and curved surfaces; Snell's law and refraction principles are utilised to explain a number of genuine-entire world phenomena; refraction principles are coupled with ray diagrams to clarify why lenses make photographs of objects.,??now https://research35938.blogchaat.com/39580454/the-smart-trick-of-chemistry-that-nobody-is-discussing

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