本题目来源于试卷: Wave-Optics，类别为 美国物理杯赛(Physics Bowl)
[单选题]
00.16: Consider an illuminated object,:00wwhg0kbg9au 7qb 4 1 tnjct a pinhole, and a screen arranged 5(bj;vwu8d m:xq. ldkesi(j; to form a pinhole .u;wik(s j lbv(5q j8ex:mdd;image on the screen. Which of the following will occur if the screen is moved away from the pinhole?
I. the image will go out of focus
II. the image will become larger
III. the image will become brighter
A. I only
B. II only
C. III only
D. I and III only
E. II and III only
参考答案: B
本题详细解析:
暂无
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