三上10 光的傳播動和反射
Quiz
•
Science
•
3rd Grade
•
Practice Problem
•
Hard
G.S. Group
Used 2+ times
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
光是如何前進的?
光是以光速直線前進的粒子。
光是以音速前進的粒子。
光是以波動的方式前進的液體。
光是以隨機速度前進的物質。
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
當光被不透明物件阻擋時會發生什麼?
光會被不透明物件吸收
光被不透明物件阻擋時會形成陰影。
光會改變顏色
光會穿透不透明物件
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
影子是如何形成的?
影子是由于物體的颜色而形成的。
影子是由于光綫被物體阻擋而形成的。
影子是由光綫的顏色變化造成的。
影子是因为光綫的强度不足而產生的。
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
光照射在平滑表面上會有什麼現象?
吸收現象
折射現象
散射現象
反射現象
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
平面鏡所形成的影像有什麼特點?
影像是虛像,對稱,與物體距離相等,方向相反。
影像是彩色的,方向相同
影像是立體的,無法對稱
影像是真實的,與物體距離不等
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
凹面鏡的影像與實物有什麼不同?
凹面鏡的影像與物體的距離無關。
凹面鏡只能形成實像,無法形成虛像。
凹面鏡的影像可以是正立或倒立,且大小會隨物體距離而變化。
凹面鏡的影像總是正立且大小不變。
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
牙醫使用的鏡子是什麼類型的鏡子?
平面鏡
凹面鏡
凸面鏡
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