14.5 透鏡
Authored by MAN YEE LAM
Science
9th Grade
Used 15+ times
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10 questions
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1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
是非題﹕透鏡是一種應用光的折射的簡單光學儀器。
正確
不正確
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
這是凸透鏡還是凹透鏡？
凸透鏡
凹透鏡
3.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
這是凸透鏡還是凹透鏡？
凸透鏡
凹透鏡
4.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
是非題﹕凸透鏡的中心部分較邊緣厚。
正確
不正確
5.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
是非題﹕當平行光線通過凹透鏡後，光線會會聚於一點。
正確
不正確
6.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
透鏡的中心稱為 (a) ，而中心與主焦點之間的距離則是 (b) 。
(a) 焦距
(b) 光心
(a) 光心
(b) 焦距
(a) 主軸
(b) 焦距
(a) 焦距
(b) 主軸
7.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
# 所示透鏡的焦距是10 cm，透鏡的兩個主焦點之間的距離是多少？
5 cm
10 cm
20 cm
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