[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"$fN12QZN72Or9M3pgcxuGTJ2Q120e2v1HKWyvZB6NkkwM":3},{"answer":4,"createTime":5,"id":6,"options":7,"origin":14,"question":21,"related":22,"source":26,"type":27},[],"2025-11-12 16:44:28",232709354,[8,9,10,11,12,13],"全反射现象是光由光密媒质向光疏媒质入射时出现的一种现象","全反射现象发生在光疏媒质向光密媒质入射时出现的一种现象","发生全反射时,光的全部能量被反射","发生全反射时,入射角大于等于全反射临界角","全反射临界角所对应的折射角为90度","全反射临界角所对应的入射角为90度",{"count":15,"courseId":16,"courseImg":17,"courseName":18,"workId":19,"workName":20},5,"53e1d2ef4961cca8eea3e23969ad2cb9","https:\u002F\u002Ftihai-oss-cloud.itihey.com\u002Fimg\u002F03a579384a6dc297c89809b582fcc767.png","默认课程","2185ad4432454da38ccb99ae8d420a43","几何光学","下列对全反射现象的描述,正确的是",[23,28,38,46,55],{"answer":24,"createTime":5,"id":6,"options":25,"question":21,"source":26,"type":27},[],[8,9,10,11,12,13],"v1",1,{"answer":29,"createTime":5,"id":30,"options":31,"question":37,"source":26,"type":27},[],232709355,[32,33,34,35,36],"光在阶跃型光纤中传播发生全反射;而在渐变型光纤中传播则不发生全反射","要保证光能够在光纤中传播,就要对光在进入光纤端面的入射角有一定的限制","在阶跃型光纤中,光沿折线传播","在渐变型光纤中,光沿光滑曲线传播","光纤中纤芯的折射率要小于包层折射率","关于对光纤的描述,正确的是",{"answer":39,"createTime":5,"id":40,"options":41,"question":45,"source":26,"type":27},[],232709356,[42,43,44],"棱镜能够把不同颜色的光分开,是由棱镜介质的色散引起的","棱镜能够把不同颜色的光分开,是由棱镜介质的分光特性引起的","偏向角是入射光和出射光之间所成的锐角","下列有关三棱镜的描述,正确的是",{"answer":47,"createTime":5,"id":48,"options":49,"question":54,"source":26,"type":27},[],232709357,[50,51,52,53],"波面就是指在同一振源的波场中,扰动同时到达各点的轨迹","波线是能量传播的轨迹","波线与波面处处正交","光线是波面传播的轨迹","下列有关波的几何描述中,正确的是",{"answer":56,"createTime":5,"id":57,"options":58,"question":63,"source":26,"type":64},[],232709358,[59,60,61,62],"光程是光在媒质中所走过的实际路程与相应折射率的乘积","由于折射率不同,在相同时间内,光在不同媒质中所走过的光程不同","光场中任意两点的相位差等于两点之间的距离与波矢的乘积","光场中两点的相位差与两点间的距离有关,而与波矢的方向无关","下列描述中,正确的是",0]