《光现象》复习测试题(参考答案)
《光现象》复习测试题（参考答案）
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一、选择题1．D 2．A 3．A 4．C 5．D 6．B 7．D 8．D 9．C 10．D 11．B 12．C二、填空题13．直线传播折射14．反射虚漫反射15．直线传播光的反射（平面镜成像原理）16．＞17．上升下降18．红凸透镜（或三棱镜）对红光的偏折（或折射）程度最小三、作图与实验题19-20、如图所示:21．（1）水中加些牛奶或肥皂水能（2）大于增大看不到折射光线。22．⑴平面镜不透明，无法确定像的位置和大小⑵C中将另一支蜡烛点燃错误，应改为不点燃。23．甲正确，乙不正确图上是否全面正确地反映了应该控制的变量24．（1）45° 24°。（2）入射角的增加量大于折射角的增加量。（3）光从空气垂直射向玻璃时，传播方向不变；光从空气斜射向玻璃时，折射角小于入射角。