[物理选修3-3模块] 如图所示，a、b两束不同的单色光平行地从空气射入水中，发

发布时间：2017-07-26 11:44 │ 来源：www.tikuol.com

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问题：

[物理选修3-3模块]

如图所示，a、b两束不同的单色光平行地从空气射入水中，发生折射，α＞β，则下列说法正确的是______

A．水对光束a的折射度较大

B．水中光束b的速度较小

C．光束a频率较大

D．若从水中射向空气，光束a的临界角比光束b的临界角大．

考点：光的折射定律

题型：问答题

阅读理解。

ROOM TO RENT. Small room to rent (租) in city centre flat above
restaurant.
Newly painted with modern furniture. Near main railway station. Buses
pass front door.
Phone: 3322108

SEAVIEW HOLIDAY FLATS. Set in lovely gardens, 5 minutes walk
from beach children's playground. Enjoy your own cooking.
MODERN KITCHEN IN EVERY FLAT

SEAVIEW HOTEL. Near sea and sands beautiful grounds children
welcome.
THREE FIRST-CLASS RESTAURANTS

1. Look at advertisement I. 　　
    Man: I'm looking for a room to rent. It doesn't matter how the furniture (家俱) is. I've got to study for
            my exams so the house must be quiet. 　　
   Girl: There are some advertisements for rooms in the paper. What about this one? 　　
   Man: Yes…Yes…that's right. Oh dear, no, I don't think it would do. What's wrong with the room in
          advertisement I?

A. It's too small. 　　
B. The walls are the wrong colour. 　　
C. The man likes old furniture better. 　　
D. It's too noisy (吵闹的).

2. Look at advertisement Ⅱ and Ⅲ. 　　
    Man: Why don't we rent one of the Seaview Holiday Flats for our holiday, Mary? They sound just as
            good as the Seaview Hotel, and it would be much cheaper. 　　
    Mary: There's one big difference between the holiday flats and the hotel. The hotel would do much less
              work! 　　
    Why would Mary rather stay at the hotel?

A. They wouldn't have to cook. 　　
B. It's not so expensive. 　　
C. She would enjoy the beautiful gardens. 　　
D. It's near the sea.

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