晚上,在桌面上铺一张白纸,把一小块平面镜放在纸上(镜面朝上)

晚上,在桌面上铺一张白纸,把一小块平面镜放在纸上(镜面朝上),让手电筒的光正对着平面镜照射,如右图,从侧面看去(    

 A.镜子比较亮,它发生了镜面反射;  

B.镜子比较暗,它发生了镜面反射;

 C.白纸比较亮,它发生了镜面反射;  

 D.白纸比较暗,它发生了漫反射;

答案

B

相关题目

Until late in the 20th century most Americans spent time with people of differen
Until late in the 20th century most Americans spent time with people of different generations. Now middle-aged Americans may not keep in touch with old people until they are old themselves. That's bec
动脉血呈鲜红色,主要是因为它含有较多的(   )       A
动脉血呈鲜红色,主要是因为它含有较多的(   )       A.红细胞                                                   B.与
—What’s wrong with you? —I can’t decide ______ next. A. how to do   
—What’s wrong with you? —I can’t decide ______ next. A. how to do                                                      B. what to do C. w
某校物理兴趣小组决定举行遥控赛车比赛。比赛路径如图所
某校物理兴趣小组决定举行遥控赛车比赛。比赛路径如图所示,赛车从起点A出发,沿水平直线轨道运动L后,由B点进入半径为R的光滑竖直圆轨道,离开
下图为某城市主要功能区分布示意图,读图完成8~9题。 8.
下图为某城市主要功能区分布示意图,读图完成8~9题。 8.图例中A、B、C相对应的城市功能区依次是( ) A.居民区、商业区、工业区 B.商业区、工业
Welcome to the future. It’s year 2050 and Scotland is now powered completely
Welcome to the future. It’s year 2050 and Scotland is now powered completely by“clean”energy. Homes have entire roofs made of solar materials, rooms are kept warm by wallpaper, and people go t
23.补写出下列名篇名句的空缺部分。(只选3小题)(6分)
23.补写出下列名篇名句的空缺部分。(只选3小题)(6分)   ⑴余音袅袅,不绝如缕。               ,               。         
读图10和图11,完成下列问题。(10分) (1)由图10可知,,
读图10和图11,完成下列问题。(10分) (1)由图10可知,,东南亚的中南半岛位于       (南或北)半球,西临        洋。 (2)由图10中河流

最新题目