八年级物理上册3.7《眼睛与光学仪器》第一课时预习检测(新版)粤教沪版.doc

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1眼睛与光学仪器第一课时预习检测一.选择题1.如图所示的眼镜( )A.属于凸透镜,可用于矫正远视眼B.属于凹透镜,可用于矫正远视眼C.属于凸透镜,可用于矫正近视眼D.属于凹透镜,可用于矫正近视眼2.对于正常眼来说,外界的物体不管是远处的还是近处的,在视网膜上成像后,所成的像都是( )A.正立缩小的虚像 B.倒立缩小的实像 C.倒立放大的实像 D.正立放大的虚像3.下面对近视眼产生原因的叙述错误的是( )A.晶状体太厚,折光能力太强 B.眼球在前后方向上太长 C.来自远处某点的光会聚在视网膜前,到达视网膜时已经不是一个点 D.来自远处某点的光会聚在视网膜后,到达视网膜时已经不是一个点4.眼球当中的晶状体相当于一个( )A.平面镜B.凸透镜C.凹透镜D.三棱镜5.小强看远处的某点时,其光路如图所示,则下列说法正确的是( )A.小强的眼睛是近视眼,应配凸透镜做成的眼镜B.小强的眼睛是近视眼,应配凹透镜做成的眼镜C.小强的眼睛是远视眼,应配凸透镜做成的眼镜D.小强的眼睛正常,无须配戴眼镜2参考答案一.选择题1.A2.B3.D4.B5.B

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