字幕列表 影片播放 列印英文字幕 You can see your reflection in any shiny surface, from a metal spoon to a puddle of water. Sometimes the reflection is sharp and clear, like the reflection from a mirror. This is called regular reflection. At other times the image is fuzzy, like the reflection in moving water. This is called diffuse reflection. In a regular reflection, parallel light rays hit a smooth surface and are all reflected at the same angle. While in a diffuse reflection the light rays are reflected in different angles. To access a comprehensive array of complete multimedia lessons, as well as the most up-to-date, standards-based curriculum content that's researched, proven and teacher-approved, visit newpathlearning.com to create your FREE online learning account now! Each multimedia lesson includes animated presentations interactive activities, virtual labs, vocabulary exercises and standards-based assessments.
B1 中級 光和光學 - 光的相互作用 (Light and Optics - Interactions of Light) 46 11 VoiceTube 發佈於 2021 年 01 月 14 日 更多分享 分享 收藏 回報 影片單字