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1.补画光线(1)如图1所示,MN是平面镜,S是点光源,P是平面镜前的一点.请在图上画出通过P点的反射光线. (02年山西)
1. Complementary Light (1) As shown in Figure 1, MN is a plane mirror, S is a point light source, and P is a point before the plane mirror. Please draw the reflected light passing through point P on the graph. (Shanxi, 02)