虹及二次虹的形成原理  

Principle of Rainbow and Second Rainbow

作　　者：陈美华[1] 

机构地区：[1]嘉应学院物理系,广东梅州514015

出　　处：《中国西部科技（学术版）》2007年第9期50-51,共2页Science and Technology of West China

摘　　要：本文由光的折、反射出发,通过求光的散射极值,得出彩虹在天空的高度,并分析二道彩虹、第三道彩虹、全虹出现的可能性及它们的位置。By using thy theory of refract and reflect and finding out extreme value of astigmatic- light, we got the height of rain- bow in the sky, and then analyze the possibility of appearance of second and third rain-bow and circled rain-bow and the position of them.

关 键 词：虹 二次虹 全虹 高度 位置 

分 类 号：TS972.11[轻工技术与工程]