中三科學科 14.1 物體發出的光線
Quiz
•
Physics
•
9th Grade
•
Practice Problem
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Medium
Cheung Man
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22 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
是非題: 眼睛的晶狀體負責形成為物件的影像。
正確
錯誤
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
是非題: 我們只能看見發光體。
正確
錯誤
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
是非題: 只有當有光照在不發光體上時，我們才能看到它們。
正確
錯誤
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
是非題: 我們可利用光把能量由一處帶到另一處。
正確
錯誤
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
是非題: 光必須經物質(例如空氣或水)傳播，光不能通過真空例如太空。
正確
錯誤
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
是非題: 光由一點傳播至另一點不需要時間。 [ 提示: 光在真空中，速度是每秒傳播3億米]
正確
錯誤
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
是非題: 由於光沿直線傳播，所以我們無法看見不透光的牆後的物體。
正確
錯誤
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