
可加四年级科学-光的特质
Authored by honping leow
Science
4th Grade
Used 2+ times

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12 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
什么是透明体?
有弹性物体
能让电流通过的物体
能让光线透过的物体
能传热的物体
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
当光源照射在哪个介质时不会产生折射的现象?
水
玻璃
空气
镜子
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
当光从一个介质进入另一个介质时,光线的传播方向会发生偏折。
以上说明光的什么特性?
光沿着直线传播
光能照明
光会反射
光会折射
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
哪项有关光的传播说明是正确的?
光会穿透任何物体
光只会沿着直线传播
光的传播不会形成影子
光的传播没有距离限制
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
图中显示一个物体被光源照射。
哪项是该物体的影子?
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
下图哪一项是光的折射原理制成的用具?
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
哪一种用具与光的折射的原理无关?
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