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四年级科学_光的反射

Authored by CHEONG Moe

Science

4th Grade

Used 67+ times

四年级科学_光的反射
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20 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

为什么我们能够看到四周的物体?

物体的反光能力很强。

物体能够吸收大部分的光。

物体的表面一般上是光滑的。

物体把光反射到我们的眼睛里。

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

以下是有关光的X特性的说明。

《当光照射到物体上时会改变传播的方向。》

X代表什么光的特性?

光会反射

光会反射三次

光不是直线传播

光的反射没有规律

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

上图显示Q物体反射光线的情况。

根据上图,下面哪种有可能是Q物体?

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4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

下面哪种物体是具有良好的反射光的能力?

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5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

我们可从镜子中看见自己的影像。为什么?

We can see ourselves from the mirror. Why ?

镜子由透明体制成

The mirror is made of transparent body

镜子吸收全部的光线

The mirror absorbs all the light

镜子的表面反射光线

The surface of mirror reflects the light

镜子的表面使光线被折射

The light is refracted by the surface of mirror

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

上图显示一个射线图。

以下哪项不可能是 R表面?

Diagram above shows a ray diagram.

Which of the following is not surface R?

望后镜 Rear mirror of car

口腔镜 Dental mirror

铝箔纸 Aluminium foil

玻璃杯 Glass

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

哪种用具应用了光的反射原理?

Which of the following apparatus using the principal of light reflection ?

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