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5光的特性

Authored by lee kang

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5光的特性
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27 questions

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1.

OPEN ENDED QUESTION

30 sec • Ungraded

名字

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2.

OPEN ENDED QUESTION

30 sec • Ungraded

编号

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3.

OPEN ENDED QUESTION

30 sec • Ungraded

日期

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4.

OPEN ENDED QUESTION

30 sec • Ungraded

开始作答时间

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5.

MULTIPLE CHOICE QUESTION

30 sec • 2 pts

1 上图的现象,证明了:

光会反射
光会折射
光沿直线传播
光被物体阻时会形成影子

6.

MULTIPLE SELECT QUESTION

30 sec • 2 pts

2 在日常生活中,以下哪些是应用光沿直线传播的例子?*答案超过一个

手电筒
灯塔
舞台灯
彩虹
倒影

7.

MULTIPLE SELECT QUESTION

30 sec • 2 pts

3 影子是如何形成的?*答案超过一个

光沿直线传播时
当光线被不透明体阻挡时
物体不让光线透过时
当光线被反射时

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