下面是两道SAT2物理练习题的内容，都是关于光的反射的，用的是一副图，答案的选项也是一样的。这样的SAT2物理题目可以让大家更加有针对性的掌握一个知识点。下面我们一起来看看这两道SAT2物理练习题的内容吧。

　　The set of lettered choices below rers to multiple questions. Select the one lettered choice that best answers each question. A choice may be used once, more than once, or not at all in each set.

　　1、A beam of light is incident on a rectangular opening in the front of a box, as shown in the side view above. The back of the box is open. After passing through the box, the light is incident on a screen. The following devices may be in the box, positioned as shown.

　　Which device could produce a tiny spot of light on the screen?

　　Answer Choices

　　(A)

　　(B)

　　(C)

　　(D)

　　(E)

　　The correct answer is A

　　Explanation

　　Difficulty: Medium

　　The correct answer is a convex lens. To produce a tiny spot of light, the optical device must cause the rays to converge and create a real image on the screen. Of the devices shown, only a convex lens can accomplish this.

　　2、A beam of light is incident on a rectangular opening in the front of a box, as shown in the side view above. The back of the box is open. After passing through the box, the light is incident on a screen. The following devices may be in the box, positioned as shown.

　　Which device could produce a diffraction pattern consisting of a central bright fringe with parallel secondary fringes that decrease in intensity with increasing distance from the center of the screen?

　　Answer Choices

　　(A)

　　(B)

　　(C)

　　(D)

　　(E)

　　The correct answer is D

　　Explanation

　　Difficulty: Medium

　　The correct answer is the opaque card with the slit. It provides an obstruction that would yield the single-slit diffraction pattern described

　　以上就是这两道SAT2物理练习题的全部内容，来自SAT官方网站，后面附有简要的答案解析。大家在备考SAT2物理考试的时候，可以适当的参考和练习一下上面的这两道题目。最后祝大家考试顺利。

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