
全內反射練習
Quiz
•
Physics
•
9th Grade
•
Practice Problem
•
Medium
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7 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列關於全內反射的公式是正確的?
n = sin c
n = 1 / sin c
c = sin n
n = sin ( 1/ c)
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列何者是涉及全內反射現象及應用例子
(1) 利用光導纖維傳送光線或訊號
(2) 海市蜃樓
(3) 在平靜湖面發生單向反射
只有 (3)
只有(1)及(2)
只有(2)及(3)
(1), (2) 及(3)
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下圖是關於 那個物理現象
單向反射
利用光導纖維傳送光線或訊號
海市蜃樓
虛像
4.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
下列哪個關於全內反射的光線圖是正確的?
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
一道光線由介質X進入空氣,而介質X的臨界角是400。在下列各圖像中,哪個是正確的 ?
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
已知水的折射率是 1.33。下列那個求水的臨界角 C的計算是正確的。
sin 1.33 = 1 / c
sin c = 1.33
c = 1 / sin 1.33
sin c = 1 / 1.33
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
光線由Y進入空氣。下列哪個句子是正確的?
(1) 光線在 Y中發生全內反射
(2) 物質Y 的臨界角是450
(3) Y 較X光密
只有 (3)
只有 (1) 及 (2)
只有 (2) 及 (3)
(1), (2) 及 (3)
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