如图将一束太阳光投射到玻璃三棱镜上在棱镜后侧光屏上的ab范围内观察到不同颜色的光则 A.a处应是紫光b.只有ab之间有光c.将照相 Template




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tomski如图将一束太阳光投射到玻璃三棱镜上在棱镜后侧光屏上的ab范围内观察到不同颜色的光则 a.a处应是紫光b.只有ab之间有光c.将照相 coloring