以下哪些物件會不規則地反射光?
常識5C溫習(1)

Quiz
•
Science
•
5th Grade
•
Medium
Kwan Ng
Used 23+ times
FREE Resource
12 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
平靜清澈的水面
鏡子
紙巾
玻璃
2.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
同一條件下,相比鏡子所反射的光,鋁箔所反射的光有甚麼特點?
混濁
集中
散亂
清晰
3.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
平面鏡的像跟實物相比,有甚麼不同之處?
上下倒置
左右倒置
變大
變小
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
為甚麼我們可以看到不會發光的物體?
因為物體反射的光穿透我們的眼睛。
因為物體把光反射到我們的眼睛。
因為物體把光的影像射向腦部。
因為物體沒有反射光。
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
為甚麼我們不應該用激光筆向同學照射?
因為高強度的激光會增強視力。
因為高強度的激光可以誘發哮喘。
因為高強度的激光會傷及視網膜。
因為高強度的激光可以引致心臟病。
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
為甚麼停車場轉彎鏡採用了凸面鏡?
因為凸面鏡的像是左右倒置。
因為凸面鏡的像是前後倒置。
因為凸面鏡照出的範圍比較狹小。
因為凸面鏡照出的範圍比較廣闊。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
說話時, 會產生聲音。
舌頭的延伸
聲帶的延伸
聲帶的振動
嘴唇的振動
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