
4.3.2 光和视力
Quiz
•
Other
•
1st - 5th Grade
•
Practice Problem
•
Hard
Standards-aligned
Bonny Gong
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
光的反射是指光线从物体表面反射回来的现象。以下哪一项最能描述光的反射?
光线穿过物体
光线被物体吸收
光线从物体表面反射
光线消失
Tags
DOK Level 1: Recall
2.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
当光线从一个介质进入另一个介质时,它的传播速度会发生变化。这种现象称为什么?
反射
折射
散射
吸收
Tags
DOK Level 1: Recall
3.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
光线如何在空气中传播?
以直线传播
以曲线传播
以波浪形传播
以螺旋形传播
Tags
DOK Level 1: Recall
4.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
当光线照射到镜子上时,光线会如何反射?
以随机方向反射
以与入射角相等的角度反射
完全被镜子吸收
以与入射角不同的角度反射
Tags
DOK Level 2: Skill/Concept
5.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
为什么我们能看到物体?
因为物体发光
因为光线从物体反射进入我们的眼睛
因为物体吸收光线
因为物体改变光线的颜色
Tags
DOK Level 2: Skill/Concept
6.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
描述光线从物体反射到眼睛的过程。为什么这个过程使我们能够看到物体?
光线被物体吸收,然后释放出新的光线
光线从物体反射,进入眼睛,形成图像
光线在物体表面消失
光线在物体表面改变颜色
Tags
DOK Level 3: Strategic Thinking
7.
MULTIPLE CHOICE QUESTION
1 min • 5 pts
如果一个物体看起来是红色的,这意味着什么?
物体吸收了所有颜色的光
物体反射了红色光
物体发出了红色光
物体吸收了红色光
Tags
DOK Level 2: Skill/Concept
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