我们的生活离不开光,有了光,我们可以读书、写字、工作,有了光,我们可以看到一个丰富多彩的世界.光现象是我们生活中的一些感受,而物理概念是科学严谨的,将二者联系起来时往往会出现错误认识.那么在学习光现象时,我们通常会出现哪些易错的问题呢?易错点1:将声、光传播的条件及传播速度混淆光在同种均匀介质中是沿直线传播的.如果介质不均匀,光将不再沿直线传播,会发生弯曲,海市蜃楼 We can not live without light, with light, we can read, write, work, with light, we can see a colorful world.Light phenomenon is some of the feelings in our life, and the physical concept is rigorous science , The two will often be misunderstood when linking the two.When we learn the light phenomenon, we usually have what error-prone problems? Error-prone 1: the sound and light conditions of transmission and speed of confusion in the same light If the medium is not uniform, the light will no longer propagate in a straight line, bending occurs, the mirage