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Ch4-2 光的行進方向

Authored by 毛 毛

Science

4th Grade

Used 2+ times

Ch4-2 光的行進方向
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10 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

大型晚會中射出的雷射光,是波浪狀前進?

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

光不論在水中或空氣中,都是直線前進的。

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

交通警察指揮交通時會穿反光背心以免危險,這是應用光的折射。

4.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

我們可以看見鏡子中的自己,是光的哪一個現象造成的?

反射

折射

散射

漫射

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

『光的反射』實驗中,點燃線香使盒中充滿煙霧,是為了?

驅走蚊蟲

方便觀察

關住光線

好玩

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

雷射筆光線由空氣進入水中

光的反射

光的折射

7.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

汽車的後視鏡

光的反射

光的折射

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