本题目来源于试卷: Physics Unit13: Temperature and Kinetic Theory，类别为 通用国际物理
[单选题]
A bimetallic strip, consisting of metal G on the zfy ba: dq(67d +bbbq,d/es+eb8ogi; top and metal H on the +85prdkf wdu /ea:o h-bottom, is rigidly attached to a wall at the left. (See Fig. 13-1.) The coefficient of linear thermal expansion for metal G is greater than /+ak w-phod:edu8 5f rthat of metal H. If the strip is uniformly heated, it will
A. curve upward.
B. curve downward.
C. remain horizontal, but get longer.
D. bend in the middle.
参考答案: B
本题详细解析:
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