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14.5 透鏡

Authored by MAN YEE LAM

Science

9th Grade

Used 15+ times

14.5 透鏡
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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

Media Image

這是凸透鏡還是凹透鏡?

凸透鏡

凹透鏡

3.

MULTIPLE CHOICE QUESTION

10 sec • 1 pt

Media Image

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

Media Image

# 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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