生活中,很多物品都有應用到人造色光,下列哪一項物品上的色光具有「警示作用」?
康軒四上自然 3-3 美麗的色光

Quiz
•
Physics
•
4th Grade
•
Easy
WU CHENG TA
Used 47+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
電子看板
耶誕樹上的燈飾
警車車頂的閃燈
花燈。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
雨過天晴,小華在東方天空看到一道彩虹,表示當時太陽大約在哪一個方位?
東方
南方
西方
北方。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一種人造色光不具有「警示」的意義?
警車上方的紅藍閃燈
紅綠燈的紅燈
元宵節的紅色花燈
消防車的紅色閃燈。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
光線照射到下列哪一項物品時,無法看到彩虹色光?
紙箱
肥皂泡泡
光碟片背面
地上的油漬。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪一個方法可以製造出清楚的彩虹色光?
面向太陽噴水霧
背對太陽向陰暗處噴水柱
朝向天空正上方噴水霧
背對太陽向陰暗處噴水霧。
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
雨過天晴,小華在東方天空看到一道彩虹,表示當時太陽大約在哪一個方位?
東方
南方
西方
北方。
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