國中自然2上ch4-3光的折射

Quiz
•
Biology
•
8th Grade
•
Medium
翰林出版國中自然 翰林出版國中自然
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
晚上看到星星常閃爍不定是下列哪一項因素造成的?
星星位置不固定
光在不穩定氣流中折射
星星本身發光就是閃爍不定
觀察者眼睛的錯覺
2.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
如圖為一光束自甲介質折射進入乙介質,再從乙介質折射進入丙介質,則光在各介質中速度大小之關係,下列何者正確?
甲>乙>丙
乙>甲>丙
丙>乙>甲
甲>丙>乙
3.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
從水面上方看到水中的一顆石頭,下列何圖為合理的光行進路線圖?
4.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
光由空氣進入水中,會發生下列哪些現象?(甲)光速減慢、(乙)波長變長、(丙)頻率變小、(丁)同時有反射和折射現象、(戊)入射角等於反射角。
甲乙
乙丙丁
乙丁
甲丁戊
5.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
光線由光速較慢的介質射入光速較快的介質時,將會發生何種情形?
偏向法線,同時折射角>入射角
偏向法線,同時折射角<入射角
偏離法線,同時折射角>入射角
偏離法線,同時折射角<入射角
6.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
小銘以固定角度30度將光線射入各種介質中,結果如附表,試由表中內容判斷光在甲、乙、丙、丁四種介質中的光速大小順序為何?
乙>丁>丙>甲
丁>丙>甲>乙
乙>甲>丙>丁
丙>乙>甲>丁
7.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
關於聲音和光的敘述,下列何者正確?
兩者均需介質才能傳播
兩者在空氣、水、玻璃等介質中的傳播速率,均為空氣>水>玻璃
我們會先看見閃電再聽到雷聲,是因為閃電先產生
兩者遇到障礙物都會發生反射
8.
MULTIPLE CHOICE QUESTION
30 sec • 5 pts
下列敘述何者與光的折射無關?
插入水中的筷子看起來折斷了
樹蔭底下常有小圓形亮點
利用放大鏡及陽光將火柴點燃
彩虹
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