填空题 适中0.65 引用1 组卷68
(1)如图所示,圆形物体的直径是 _______ cm.
![](https://img.xkw.com/dksih/QBM/2019/11/19/2337113416089600/2350762933338112/STEM/0b0a3f94-abac-4969-8717-44ad385ba5e2.png)
(2)如图所示,温度计的读数是________ ℃.
![](https://img.xkw.com/dksih/QBM/2019/11/19/2337113416089600/2350762933338112/STEM/aa3bbdf3-928f-43b8-8281-702c5c406a02.png)
(3)如图所示,一束与平面镜成30°角的光入射到平面镜上,请根据光的反射定律,画出反射光线并标出反射角的度数.
( )
![](https://img.xkw.com/dksih/QBM/2019/11/19/2337113416089600/2350762933338112/STEM/4ff9abf5-e0f9-435b-884a-02f9a80a00e7.png)
![](https://img.xkw.com/dksih/QBM/2019/11/19/2337113416089600/2350762933338112/STEM/0b0a3f94-abac-4969-8717-44ad385ba5e2.png)
(2)如图所示,温度计的读数是
![](https://img.xkw.com/dksih/QBM/2019/11/19/2337113416089600/2350762933338112/STEM/aa3bbdf3-928f-43b8-8281-702c5c406a02.png)
(3)如图所示,一束与平面镜成30°角的光入射到平面镜上,请根据光的反射定律,画出反射光线并标出反射角的度数.
![](https://img.xkw.com/dksih/QBM/2019/11/19/2337113416089600/2350762933338112/STEM/4ff9abf5-e0f9-435b-884a-02f9a80a00e7.png)
19-20八年级上·山东枣庄·期中
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