初二物理课后作业目录第一讲让我们起航（一）..............................................................................................................2第二讲让我们起航（二）..............................................................................................................5第三讲声波的产生和传播............................................................................................................9第四讲声音的特征.......................................................................................................................13第五讲测量声复习......................................................................................................................16第六讲光的直线传播和反射........................................................................................................20第七讲平面镜成像.......................................................................................................................23第八讲光的折射...........................................................................................................................28第九讲透镜...................................................................................................................................32第十讲凸透镜成像规律................................................................................................................36第十一讲光的色散.......................................................................................................................40第十二讲凸透镜成像实验............................................................................................................44第十三讲光的章节复习................................................................................................................48第十四讲机械运动.......................................................................................................................52第十五讲匀速直线运动...................................................................
