
單元 14 光、顏色和光譜以外
Quiz
•
Science
•
8th Grade
•
Practice Problem
•
Hard
Kam Lai
Used 6+ times
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪個物體在白光下呈紅色?
(1) 吸收紅光而反射其他色光的物體
(2) 反射紅光而吸收其他色光的物體
(3) 發出紅光的物體
只有 (1)
只有 (2)
只有 (1) 和 (3)
只有 (2) 和 (3)
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
有些物體呈黑色,因為
它們反射所有射向它的色光。
它們吸收所有射向它的色光。
它們發出黑光。
它們發出所有色光。
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪些技術應用了微波?
(1) 八違通付款系統
(2) 流動電話通訊
(3) Wi-Fi 訊號
只有 (1) 和 (2)
只有 (1) 和 (3)
只有 (2) 和 (3)
(1)、(2) 和 (3)
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
電磁波波長的正確排序(由長至短) :
無線電波, 微波 , 紅外輻射 , 伽瑪射線
無線電波,紅外輻射 ,可見光,紫外輻射
紅外輻射,可見光,微波 ,紅外輻射
伽瑪射線,紫外輻射,紅外輻射, 微波
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
______________可以投射到屏幕上,虛像則不可以。
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
下列哪些電磁輻射可用於放射治療?
可見光
紅外輻射
微波
伽瑪射線
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
如果下圖的光線X和Y是色譜的兩端,兩者的顏色是甚麼?
光線X : 紫 , 光線Y : 藍
光線X : 紫 , 光線Y: 紅
光線X : 紅 , 光線Y :綠
光線X : 紅 , 光線Y : 紫
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