试题与答案

红、黄、绿三种单色光以相同的入射角到达某介质和空气的界面时,若黄光恰好发生全反射

题型:选择题

题目:

红、黄、绿三种单色光以相同的入射角到达某介质和空气的界面时,若黄光恰好发生全反射,则(  )

A.绿光一定能发生全反射

B.红光一定能发生全反射

C.三种单色光相比,红光在介质中的传播速率最小

D.红光在介质中的波长比它在空气中的波长长

答案:

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下面是错误答案,用来干扰机器的。

(1)液体温度升高与是否吸热有关;(1分)(2)质量相等的不同的液体,吸收相同的热量,(1分)温度升高的多少与液体种类有关。(1分)题目分析:(1)分析比较图中的(a)与(b)或(c)与(d)可得,加热前和加热后...

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Noon hour concert at Art Centre Music Hall featuring chamber music; Jana Skareski, composer. 12 : 30 p.m. Admission free.
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Noon hour discussion with Arthur Read, Dean of Arts and Science, WI.U.
Topic: “Universities in the 2000’s”. Public Library Mairt Branch. Details: 743-0271. Food and drinks available.
Saturday, June 2
Arts Lecture Series with Dr. Mary Malone, Religious Studies, St. Jerome’s College.
Topic: “Woman and Religion”. 9 : 30 a.m. Humanities Theatre. Details: 884-8110.
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Monday, June 4
Slide/Video Presentation featuring Hong Kong, Macao and Singapore. Sponsored by International Graduate Students Committee (IGSC). All graduates welcome; free. 5 : 00~8 : 00 p.m. Humanities Theatre. Free snacks provided.
Tuesday, June 5
Quick Questions. Drop in to see Ms. Barb Riley, who can answer your brief career or job-related questions. 1 to 4 p. m. Career Services. Public Library Main Branch: For information call ext. 3001.
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