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物理 小測 (2)

Authored by TIK NG

Physics

8th Grade

Used 5+ times

物理 小測 (2)
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10 questions

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1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

一個男孩在水中時,雙腿會看似較實際的短,這是因光的折射所產生的現象。

正確

不正確

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

以下哪幅(些)圖是不正確的?

A. 只有(1)

B. 只有(3)

C. 只有(1)和(2)

D. 只有(2)和(3)

3.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

光線如所示進入玻璃塊。以下哪條最有可能是光線離開玻璃塊後的路徑?

A

B

C

D

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

如果用一種折射率較低的物質取代介質X,以下哪個可能是新的折射角?

A. 0°

B. 20°

C. 25°

D. 30°

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

當入射角大於臨界角,全內反射必定會發生。

正確

不正確

6.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

當光線由空氣進入水時,全內反射必定不會發生。

正確

不正確

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Media Image

如果玻璃的臨界角是 42°,以下哪種(些)情況下會發生全內反射?

A. 只有(1)

B. 只有(3)

C. 只有(1)和(2)

D. 只有(2)和(3)

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