插入水中的筷子在水中的部分看起来�上弯折如图所示人眼在c点处看到筷子b点的像在位置b′点.请画出b点的一条光线经水面折射后过c点的光路图 Template




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tomski插入水中的筷子在水中的部分看起来�上弯折如图所示人眼在c点处看到筷子b点的像在位置b′点.请画出b点的一条光线经水面折射后过c点的光路图 coloring