五常（光、聲)
Authored by Sin Hau
Education
1st - 6th Grade
Used 4+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
光能穿透以下哪一項物件？
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
這是光的折射現象。
正確
不正確
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
光是曲線運行。
正確
不正確
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
平面鏡和凸面鏡的像和實物大小相同。
正確
不正確
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
凸面鏡的照射範圍較平面鏡廣闊。
正確
不正確
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在隧道中大叫，之後聽到自己的聲音，這個現象稱為「隔音」。
正確
不正確
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
甚麼媒介的聲音傳播效率最佳？
固體，如木板
液體，如水
氣體，如空氣
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