不定项选择题:频率不同的两苏光1和2,相同的入射角从同一点摄入一厚玻璃后,其光路如右图所示,下列说法正确的是 题目分类:理综 题目类型:不定项选择题 查看权限:VIP 题目内容: 频率不同的两苏光1和2,相同的入射角从同一点摄入一厚玻璃后,其光路如右图所示,下列说法正确的是 A.单色光1的波长小于单色光2的波长 B.在玻璃中单色光1的传播速度大于单色光2的传播速度 C.单色光通过玻璃所需要的时间小于单色光通过玻璃所需要的时间 D.单色光1从玻璃到空气的全反射角小于单色光2的从玻璃到空气得病全反射角 参考答案: 答案解析:
---Peter , where did you guys go for the summer vacation?--- ---Peter , where did you guys go for the summer vacation?----We_____________ bus 分类:理综 题型:不定项选择题 查看答案
—why, Jack, you look so tired!---Well, I __________the house —why, Jack, you look so tired!---Well, I __________the house and I must finish t 分类:理综 题型:不定项选择题 查看答案
where are the speakers?A.In A.storeB.In A.classroomC.At A.ho where are the speakers?A.In A.storeB.In A.classroomC.At A.hotel 分类:理综 题型:不定项选择题 查看答案
What does the author think of the parties in London?A.A bit What does the author think of the parties in London?A.A bit ummulB.FUllof tricks 分类:理综 题型:不定项选择题 查看答案