6.如图所示真空中一半径为r质量分布均匀的玻璃球�率为v的细激光束在真空中沿直线bc传播于玻璃球表面的c点经折射进入小球并在玻璃球 Template




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tomski6.如图所示真空中一半径为r质量分布均匀的玻璃球�率为v的细激光束在真空中沿直线bc传播于玻璃球表面的c点经折射进入小球并在玻璃球 coloring