什么是折射定律?

光的折射知识测试

Quiz
•
Physics
•
8th Grade
•
Hard

思奇 吴
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
折射定律是光在同一介质中传播的规律。
折射定律是描述光在不同介质中传播时的规律,通常用斯涅尔定律表示。
折射定律是描述声音在空气中传播的规律。
折射定律是描述光的颜色变化的规律。
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
折射定律的数学表达式是什么?
n1 + sin(θ1) = n2 + sin(θ2)
n1 * tan(θ1) = n2 * tan(θ2)
n1 / sin(θ1) = n2 / sin(θ2)
n1 * sin(θ1) = n2 * sin(θ2)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
光在不同介质中传播时速度如何变化?
光在不同介质中传播时速度会加快。
光在不同介质中传播时速度会翻倍。
光在不同介质中传播时速度保持不变。
光在不同介质中传播时速度会减慢。
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
光从空气进入水中时,折射角会如何变化?
折射角会消失。
折射角保持不变。
折射角会增大。
折射角会减小。
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
什么因素会影响光的折射?
光的颜色
光的速度
光的强度
光的波长、入射角、介质的折射率和性质
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
在真空中光速是多少?
299,792,458米每秒
299,792米每秒
150,000,000米每秒
300,000,000米每秒
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
光在水中的速度与在空气中的速度相比如何?
光在水中的速度比在空气中快。
光在水中的速度与在空气中相同。
光在水中的速度无法测量。
光在水中的速度比在空气中慢。
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