
光的传播知识测试

Quiz
•
Science
•
4th Grade
•
Hard
CHEH Moe
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
光的反射是指光线遇到什么物体时改变方向? A. 透明物体 B. 不透明物体 C. 半透明物体 D. 任何物体 正确答案:B
B
光线在空气中
光线在镜子上
光线在水中
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
光的折射是指光线在什么情况下改变传播方向? A. 进入不同密度的介质 B. 反射回原介质 C. 经过同种介质 D. 经过光源 正确答案:A
在真空中
A
在高温环境下
经过光的干涉
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
当光线从空气进入水中时,会发生什么现象? A. 光线加速 B. 光线减速 C. 光线不变 D. 光线消失 正确答案:B
光线反射
B
光线弯曲
光线变色
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
镜子是利用哪种光的现象来反射光线的? A. 折射 B. 反射 C. 散射 D. 吸收 正确答案:B
反射率
B
光的传播
光的折射
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
当光线从水中进入空气时,会发生什么? A. 光线折射 B. 光线反射 C. 光线消失 D. 光线加速 正确答案:A
光线分散
光线减速
光线变色
A
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
光的反射定律中,入射角等于什么角? A. 折射角 B. 反射角 C. 直角 D. 角度 正确答案:B
入射角
反射面
偏折角
B
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在什么情况下光线不会发生折射? A. 进入不同介质 B. 经过同种介质 C. 经过镜子 D. 经过水面 正确答案:B
D. 经过空气
C. 经过光纤
A. 经过不同介质
B
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