初二物理，，光的折射画图题检查！第三题怎么画？ 八年级物理光的折射与反射画图题
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2\u3001\u5982\u4e0a\u9762\u56fe2\u6240\u793a\uff0cSA\u8868\u793a\u4ece\u7a7a\u6c14\u659c\u5c04\u5411\u5e73\u884c\u73bb\u7483\u7816\u4e0a\u8868\u9762\u7684\u4e00\u675f\u5149\uff0c\u8bf7\u753b\u51fa\u8fd9\u675f\u5149\u5728\u73bb\u7483\u7816\u4e2d\u7684\u6298\u5c04\u5149\u7ebf(\u5927\u81f4\u65b9\u5411)\u3002
3\u3001\u5728\u4e0a\u9762\u56fe3\u4e2d\uff0c\u5165\u5c04\u5149\u7ebf\u5e73\u884c\u4e8e\u51f8\u900f\u955c\u7684\u4e3b\u8f74\uff0c\u8bf7\u753b\u51fa\u7ecf\u51f8\u900f\u955c\u6298\u5c04\u540e\u7684\u5149\u7ebf\u3002
4\u3001\u5982\u4e0a\u9762\u56fe4\u6240\u793a\uff0cAB\u8868\u793a\u5e73\u9762\u955c\u524d\u7684\u7269\u4f53\u3002\u8bf7\u6839\u636e\u5e73\u9762\u955c\u6210\u50cf\u7279\u70b9\uff0c\u753b\u51fa\u7269\u4f53AB\u7ecf\u5e73\u9762\u955c\u6240\u6210\u7684\u50cf\u3002
5\u3001\u5c0f\u5b87\u540c\u5b66\u5728\u5bb6\u4e2d\u9601\u697c\u4e0a\u6709\u4e00\u4e2a\u5c0f\u578b\u7269\u7406\u5b9e\u9a8c\u5ba4\uff0c\u5982\u4e0b\u9762\u53f3\u56fe\u6240\u793a\uff0c\u4f46\u4ed6\u6bcf\u6b21\u505a\u5149\u5b66\u5b9e\u9a8c\u65f6\u5c31\u611f\u5230\u5f88\u9ebb\u70e6\uff0c\u56e0\u4e3a\u9700\u8981\u8dd1\u5230\u6709\u5929\u7a97\u7684\u4e00\u95f4\uff0c\u8bf7\u4f60\u7528\u5e73\u9762\u955c\u5e2e\u4ed6\u5c06\u9633\u5149\u5f15\u5230\u5b9e\u9a8c\u5ba4\u5e76\u4f7f\u9633\u5149\u5782\u76f4\u5c04\u5230\u5b9e\u9a8c\u53f0\u7684\u53f0\u9762\u4e0a\uff0c\u8981\u6c42\u5728\u56fe\u4e2d\u753b\u51fa\u5e73\u9762\u955c\u53ca\u5176\u4e2d\u4e00\u6761\u5149\u7ebf\uff0c\u7528\u7bad\u5934\u6807\u51fa\u5149\u7ebf\u65b9\u5411\uff0e
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7\u3001\u5982\u4e0b\u9762\u5de6\u56fe\u6240\u793a\uff0c\u4e24\u6761\u5149\u7ebf\u662f\u7531\u540c\u4e00\u70b9\u5149\u6e90\u53d1\u51fa\u7ecf\u5e73\u9762\u955c\u53cd\u5c04\u540e\u5f62\u6210\u7684\uff0c\u8bf7\u5b8c\u6210\u5149\u8def\u56fe\uff0c\u5e76\u786e\u5b9a\u5149\u6e90S\u7684\u4f4d\u7f6e\u3002
8\u3001\u5728\u4e0a\u9762\u4e2d\u95f4\u7684\u56fe\u4e2d\uff0c\u4e00\u675f\u5149\u7ebf\u4ece\u7a7a\u6c14\u659c\u5c04\u5230\u6c34\u9762\u53d1\u751f\u53cd\u5c04\u548c\u6298\u5c04\uff0c\u8bf7\u5728\u56fe\u4e2d\u4f5c\u51fa\u53cd\u5c04\u5149\u7ebf\u548c\u6298\u5c04\u5149\u7ebf.
9\u3001\u5728\u4e0a\u9762\u5de6\u56fe\u4e2d\uff0c\u5b8c\u6210\u5149\u7ebf\u4ece\u5de6\u8fb9\u5c04\u5411\u51f8\u900f\u955c\u6298\u5c04\u540e\uff0c\u518d\u5c04\u5411\u51f9\u900f\u955c\u6298\u5c04\u540e\u7684\u5149\u8def\u3002
10\u3001\u5728\u4e0b\u9762\u5de6\u56fe\u4e2d\uff0c\u4e00\u675f\u9633\u5149\u4ece\u6559\u5ba4\u4fa7\u9762\u7684\u7a97\u6237A\u5c04\u5165\uff0c\u7ecf\u73bb\u7483\u7a97\u6237B\u53cd\u5c04\uff0c\u8bf7\u753b\u51fa\u7ecf\u7a97B\u540e\u7684\u53cd\u5c04\u5149\u7ebf,\u5e76\u6807\u51fa\u6cd5\u7ebf\u3002
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13\u3001\u8bf7\u5728\u4e0b\u56fe\u7532\u4e2d\u753b\u51fa\u5bf9\u5e94\u5165\u5c04\u5149\u7ebf\u7684\u53cd\u5c04\u5149\u7ebf\u5e76\u6807\u51fa\u53cd\u5c04\u89d2\uff1b\u8bf7\u6839\u636e\u900f\u955c\u5bf9\u5149\u7ebf\u7684\u4f5c\u7528\u89c4\u5f8b\uff0c\u5728\u4e0b\u9762\u56fe\u4e59\u7684\u65b9\u6846\u4e2d\u586b\u5165\u4e00\u4e2a\u5408\u9002\u7684\u900f\u955c\uff0e
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16\u3001\u5982\u4e0b\u9762\u5de6\u56fe\u6240\u793a\uff0c\u5e73\u9762\u955c\u4e0a\u65b9\u6709\u4e00\u7ad6\u76f4\u6321\u677fP\uff0cAB\u548cCD\u662f\u6321\u677f\u5de6\u4fa7\u7684\u53d1\u5149\u70b9S\u7ecf\u8fc7\u5e73\u9762\u955c\u53cd\u5c04\u540e\u7684\u4e24\u6761\u53cd\u5c04\u5149\u7ebf\uff0c\u8bf7\u5728\u56fe\u4e0a\u4f5c\u51fa\u53d1\u5149\u70b9S\uff0e\uff08\u8981\u6c42\u7559\u4e0b\u4f5c\u56fe\u75d5\u8ff9\uff09
17\u3001\u5982\u4e0a\u9762\u4e2d\u95f4\u7684\u56fe\u6240\u793a\uff0c\u4e00\u675f\u5149\u5c04\u5411\u4e09\u68f1\u955c\uff0c\u753b\u51fa\u8fd9\u675f\u5149\u4e24\u6b21\u6298\u5c04\u7684\u5927\u81f4\u5149\u8def\u3002
18\u3001\u6309\u4e0b\u9762\u8981\u6c42\u4f5c\u56fe\u3002\u4e0a\u9762\u53f3\u8fb9\u7684\u7532\u56fe\u662f\u8fdc\u5904\u7269\u4f53\u5728\u67d0\u4eba\u773c\u775b\u6210\u50cf\u7684\u793a\u610f\u56fe\uff0c\u8bf7\u5728\u4e59\u56fe\u4e2d\u7684\u865a\u7ebf\u6846\u5185\u586b\u4e0a\u9002\u5f53\u7684\u900f\u955c\uff0c\u4f7f\u8fdc\u5904\u7269\u4f53\u6210\u50cf\u5728\u89c6\u7f51\u819c\u4e0a\u3002
图（3），
如果是玻璃，直接接着向下画一条线。
如果是平面镜，沿原直线反向返回，画一条线。
第4图正确。
原路返回啊
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