refraction

refraction manifest refraction是什么意思 What is refraction?请给比较详细的英文解释,急用, diffraction 和 refraction 有什么区别?不是解释英语,是解释具体的两个概念,请懂的朋友帮忙 refraction第2大关的第8关怎么过 最底下的棱镜分解出来的 只有黄光能变方向 请英语达人帮帮忙! 求这一段话的paraphrase The speed at which light travels varies depending on the substances through which it is passing; light travels more slowly when it passes through a denser substance. Refraction occurs when the di what is the bending of wave as it enters a new mater ial called?A.reflection B.diffraction C.refraction D.interference2.which of the following best describes image formation by a plane mirror?A.A real image is formed in front of the mirror B.A real i