Ch4-2 光的行進方向
Authored by 毛 毛
Science
4th Grade
Used 2+ times
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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?
對
錯
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。
對
錯
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。
對
錯
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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