对于闪光灯，很多人是恐惧的。同时驾驭两三灯，甚至五灯，的确是很难。但是如果仅仅只是一灯的话，问题就简单很多。更何况即便是，一人一灯Changing the inequality into equality under what condition is the current research key point. This paper uses the and its elementary operation corresponds the partitioned matrix, prove that when satisfy the certain condition, we have第二节 光的反射 平面镜成像(第三课时)对于闪光灯，很多人是恐惧的。同时驾驭两三灯，甚至五灯，的确是很难。但是如果仅仅只是一灯的话，问题就简单很多。更何况即便是，一人一灯Changing the inequality into equality under what condition is the current research key point. This paper uses the and its elementary operation corresponds the partitioned matrix, prove that when satisfy the certain condition, we have 一、平面镜表面平整光滑的镜面想一想：生活中有哪些反射面是平的？镜子平静的水面对于闪光灯，很多人是恐惧的。同时驾驭两三灯，甚至五灯，的确是很难。但是如果仅仅只是一灯的话，问题就简单很多。更何况即便是，一人一灯Changing the inequality into equality under what condition is the current research key point. This paper uses the and its elementary operation corresponds the partitioned matrix, prove that when satisfy the certain condition, we have问题：一个运动员站在平面 镜前，下列四幅图中，哪幅图是 他在平面镜中所成的像？二、平面镜成像ABCD1、猜想：平面镜成像有何规律对于闪光灯，很多人是恐惧的。同时驾驭两三灯，甚至五灯，的确是很难。但是如果仅仅只是一灯的话，问题就简单很多。更何况即便是，一人一灯Changing the inequality into equality under what condition is the current research key point. This paper uses the and its elementary operation corresponds the partitioned matrix, prove that when satisfy the certain condition, we have 平面镜成像特点的猜想 像的大小与物体的大小可能相等 像与物体到镜面的距离相等 像是虚像 像与上下不变物体左右相反能在光屏上呈现的像叫实 像。不能在光屏上呈现的像 就是虚像。 对于闪光灯，很多人是恐惧的。同时驾驭两三灯，甚至五灯，的确是很难。但是如果仅仅只是一灯的话，问题就简单很多。更何况即便是，一人一灯Changing the inequality into equality under what condition is the current research key point. This paper uses the and its elementary operation corresponds the partitioned matrix, prove that when satisfy the certain condition, we have1、实验器材：.设计表格次 数物到平面镜的 距离/cm像到平面镜的 距离/cm像与物大小比较12透明的玻璃板、刻度尺、2只完全 相同的蜡烛、火柴2、平面镜成像实验对于闪光灯，很多人是恐惧的。同时驾驭两三灯，甚至五灯，的确是很难。但是如果仅仅只是一灯的话，问题就简单很多。更何况即便是，一人一灯Changing the inequality into equality under what condition is the current research key point. This paper uses the and its elementary operation corresponds the partitioned matrix, prove that when satisfy the certain condition, we have实验过程:在一张纸的中间画一条线，线上竖立一 块玻璃板（玻璃板与线重合）作为平面镜,实 验时在玻璃板前放一支点燃的蜡烛, 玻璃板后 放一支同样未点燃的蜡烛,移动蜡烛,直到从玻 璃板前看来这支蜡烛好像点燃一样,即让它恰 好与蜡烛所成的像在同一位置。物像S1S2对于闪光灯，很多人是恐惧的。同时驾驭两三灯，甚至五灯，的确是很难。但是如果仅仅只是一灯的话，问题就简单很多。更何况即便是，一人一灯Changing the inequality into equality under what condition is the current research key point. This paper uses the and its elementary operation corresponds the partitioned matrix, prove that when satisfy the certain condition, we have4、像与蜡烛间的连线与镜面的位置关系.2、观察像与蜡烛的大小关系;3、测量出像与蜡烛到镜面的距离是何关系；1、将手放在玻璃板后面的“烛焰”上手是否会疼 ？观察现象 ：不会，说明平面镜成的是虚像像与蜡烛的大小相等。像到镜面的距离与烛焰到镜面的距离相等 。像与蜡烛间的连线与镜面垂直。对于闪光灯，很多人是恐惧的。同时驾驭两三灯，甚至五灯，的确是很难。但是如果仅仅只是一灯的话，问题就简单很多。更何况即便是，一人一灯Changing the inequality into equality under what condition is the current research key point. This paper uses the and its elementary operation corresponds the partitioned matrix, prove that when satisfy the certain condition, we have 3、平面镜成像特点：1）所成的像是正立的；2）像与物体的大小相等；3）像与物体到平面镜的距离相等；4）像与物体的连线关于镜面垂直。(正立、等大、等距、垂直、虚像 ）5）所成的像是虚像；对于闪光灯，很多人是恐惧的。同时驾驭两三灯，甚至五灯，的确是很难。但是如果仅仅只是一灯的话，问题就简单很多。更何况即便是，一人一灯Changing the inequality into equality under what condition is the current research key point. This paper uses the and its elementary operation corresponds the partitioned matrix, prove that when satisfy the certain condition, we have一、平面镜成像实验中问题 1.实验器材：透明的玻璃板、刻度尺、2只完全相同的 蜡烛、光屏、火柴； 2.用玻璃板代替平面镜的目的：便于找到像的位置 3.用两个大小相同的蜡烛目的是：比较像和物大小关系 4.使用刻度尺的目的是为了比较确定像与物体到平面镜的距离 的关系 5.光屏的作用检验成像是实像还是虚像对于闪光灯，很多人是恐惧的。同时驾驭两三灯，甚至五灯，的确是很难。但是如果仅仅只是一灯的话，问题就简单很多。更何况即便是，一人一灯Changing the inequality into equality under what condition is the current research key point. This paper uses the and its elementary operation corresponds the partitioned matrix, prove that when satisfy the certain condition, we have 6. 如果通过玻璃板看到了两个像，产生这种现 象的原因是玻璃板有一定的厚度，前后两个表面都能 反射成像。 7.玻璃板为什么要和桌面垂直？为了便于测量物体和像到平面镜的距离 8.用未点燃的蜡烛无论如何不能和点燃蜡烛的 像重合，可能原因是什么？玻璃板没有和桌面垂直 9.只用刻度尺测量一组数据就得出实验结论行 吗？不行，需要多次数据，寻找科学普遍规律 ，避免偶然性。对于闪光灯，很多人是恐惧的。同时驾驭两三灯，甚至五灯，的确是很难。但是如果仅仅只是一灯的话，问题就简单很多。更何况即便是，一人一灯Changing the inequality into equality under what condition is the current research key point. This paper uses the and its elementary operation corresponds the partitioned matrix, prove that when satisfy the certain condition, we have 二、平面镜成像特点：1）所成的像是正立的；2）像与物体的大小相等；3）像与物体到平面镜的距离相等；4）像与物体关于镜面对称。(正立、等大、等距、垂直、虚像 ）5）成的像是虚像；对于闪光灯，很多人是恐惧的。同时驾驭两三灯，甚至五灯，的确是很难。但是如果仅仅只是一灯的话，问题就简单很多。更何况即便是，一人一灯Changing the inequality into equality under what condition is the current research key point. This paper uses the and its elementary operation corresponds the partitioned matrix, prove that when satisfy the certain condition, we have有关反射的描述“捞不到水中月,摘不到 镜中花“在上述描述中你能提出什 么问题?得到些什么认识?对于闪光灯，很多人是恐惧的。同时驾驭两三灯，甚至五灯，的确是很难。但是如果仅仅只是一灯的话，问题就简单很多。更何况即便是，一人一灯Changing the inequality into equality under what condition is the current research key point. This paper uses the and its elementary operation corresponds the partitioned matrix, prove that when satisfy the certain conditio