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可加四年级科学-光的特质

Authored by honping leow

Science

4th Grade

Used 2+ times

可加四年级科学-光的特质
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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?

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

Media Image

图中显示一个物体被光源照射。

哪项是该物体的影子?

Media Image
Media Image
Media Image
Media Image

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?

Media Image
Media Image
Media Image
Media Image

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

哪一种用具与光的折射的原理无关

Media Image
Media Image
Media Image
Media Image

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