八年级物理上册3.2《探究光的反射规律》随堂训练(新版)粤教沪版.doc

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1、1探究光的反射规律随堂训练一.选择题1.下列几种现象中,由于光的反射形成的是( )2.小明用如图所示的实验装置,探究反射光线与入射光线是否在同一平面内,应进行的操作是( )A.沿 ON 向后转动板 AB.沿 ON 向后转动板 B C.改变入射光线与 ON 的夹角 D.改变反射光线与 ON 的夹角3.雨后的夜晚,当你迎着月光行走在有积水的路上,为了避让水洼,应走“较暗”的地面.这是因为光在( ) A.地面发生镜面反射 B.地面发生漫反射 C.水面发生漫反射 D.水面不发生反射4.在做“研究光的反射实验”时,如图所示,将一束光沿 MO 射向镜面,则反射光的方向是( )2A.OA B.OB C.OC

2、 D.OD5.夜晚,当汽车发出的光照射到自行车尾灯上时,司机看到尾灯反射的光,就能及时避让.如图中有关自行车尾灯的光路图正确的是( )6.在皮鞋擦过鞋油,还要用鞋刷或软布反复擦几下,越擦越亮,这是由于( ) A.反复擦可增加漫反射效果 B.反复擦可使鞋油填平皮革表面的凹坑,增加表面光滑程度,增加镜面反射效果C.鞋油反光性能比皮革好,反复擦可使鞋油均匀分布,增加漫反射效果 D.鞋油的颜色比皮革鲜艳,可增加镜面反射效果7.如图所示,在暗室中用手电筒照射挂在白色温墙上的小镜子,这时看到被照射部分( )A.墙和镜子都是黑色的 B.墙和镜子都是白色的 C.墙是黑色的,镜子是白色的 D.墙是白色的,镜子是黑色的8.关于光的反射,下列说法错误的是( )A.反射光线跟入射光线和法线在同一平面内B.反射光线和入射光线分居在法线的两侧C.入射角增大,反射角也同样增大D.入射角大于反射角9.入射光线与反射光线间的夹角为 60,则反射光线与镜面间的夹角为( )A.60 B.30 C.120 3D.150参考答案一.选择题1.B2.B3.B4.B5.A6.B7.D8.D9.B

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